diff --git a/dashboard/15-final/app/dashboard/layout.tsx b/dashboard/15-final/app/dashboard/layout.tsx
index 97baef4..0eb56e6 100644
--- a/dashboard/15-final/app/dashboard/layout.tsx
+++ b/dashboard/15-final/app/dashboard/layout.tsx
@@ -5,9 +5,9 @@ export default function Layout({ children }: { children: React.ReactNode }) {
   return (
     <div className="flex h-screen">
       <SideNav />
-      <div className="flex-grow">
+      <div className="w-full">
         <TopNav />
-        <div className="p-4 sm:p-20">{children}</div>
+        <div className="p-4 sm:p-10 md:p-20">{children}</div>
       </div>
     </div>
   );
diff --git a/dashboard/15-final/app/lib/calculations.tsx b/dashboard/15-final/app/lib/calculations.tsx
index 091633c..34ab6dc 100644
--- a/dashboard/15-final/app/lib/calculations.tsx
+++ b/dashboard/15-final/app/lib/calculations.tsx
@@ -1,4 +1,4 @@
-import { Invoice } from "./definitions";
+import { Invoice, Revenue } from "./definitions";
 
 export const calculateInvoices = (
   invoices: Invoice[],
@@ -12,3 +12,28 @@ export const calculateInvoices = (
       currency: "USD",
     });
 };
+
+// Once a database is connected, we can use SQL to query the database directly
+// This will be more efficient than querying all invoices and then filtering them
+// E.g. "SELECT * FROM invoices
+// ORDER BY date DESC
+// LIMIT 5;"
+export const findLatestInvoices = (invoices: Invoice[]) => {
+  return [...invoices]
+    .sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime())
+    .slice(0, 5);
+};
+
+export const generateYAxis = (revenue: Revenue[]) => {
+  // Calculate what labels we need to display on the y-axis
+  // based on highest record and in 1000s
+  const yAxisLabels = [];
+  const highestRecord = Math.max(...revenue.map((month) => month.revenue));
+  const topLabel = Math.ceil(highestRecord / 1000) * 1000;
+
+  for (let i = topLabel; i >= 0; i -= 1000) {
+    yAxisLabels.push(`$${i / 1000}K`);
+  }
+
+  return { yAxisLabels, topLabel };
+};
diff --git a/dashboard/15-final/app/lib/definitions.tsx b/dashboard/15-final/app/lib/definitions.tsx
index 95c633a..0e4cb89 100644
--- a/dashboard/15-final/app/lib/definitions.tsx
+++ b/dashboard/15-final/app/lib/definitions.tsx
@@ -2,23 +2,29 @@
 // These describe the shape of the data, and what data type each property should accept.
 
 export type User = {
-  id: number
-  name: string
-  email: string
-  password: string
-}
+  id: number;
+  name: string;
+  email: string;
+  password: string;
+};
 
 export type Customer = {
-  id: number
-  name: string
-  email: string
-}
+  id: number;
+  name: string;
+  email: string;
+  imageUrl: string;
+};
 
 export type Invoice = {
-  id: number
-  customerId: number
-  amount: number
-  date: string
-  status: "pending" | "paid" // In TypeScript, this is called a string union type.
+  id: number;
+  customerId: number;
+  amount: number;
+  status: "pending" | "paid"; // In TypeScript, this is called a string union type.
   // It means that the "status" property can only be one of the two strings.
-}
+  date: string;
+};
+
+export type Revenue = {
+  month: string;
+  revenue: number;
+};
diff --git a/dashboard/15-final/app/lib/dummy-data.tsx b/dashboard/15-final/app/lib/dummy-data.tsx
index bf83355..3351802 100644
--- a/dashboard/15-final/app/lib/dummy-data.tsx
+++ b/dashboard/15-final/app/lib/dummy-data.tsx
@@ -1,4 +1,4 @@
-import { User, Customer, Invoice } from "./definitions";
+import { User, Customer, Invoice, Revenue } from "./definitions";
 
 // This file contains dummy data that you'll be replacing with real data in Chapter 7.
 export const users: User[] = [
@@ -13,23 +13,27 @@ export const users: User[] = [
 export const customers: Customer[] = [
   {
     id: 1,
-    name: "Lee",
-    email: "lee@nextmail.com",
+    name: "Ada Lovelace",
+    email: "ada@earlycomputing.com",
+    imageUrl: "/customers/ada-lovelace.png",
   },
   {
     id: 2,
-    name: "Michael",
-    email: "michael@nextmail.com",
+    name: "Grace Hopper",
+    email: "grace@personalcomputers.com",
+    imageUrl: "/customers/grace-hopper.png",
   },
   {
     id: 3,
-    name: "Steph",
-    email: "steph@nextmail.com",
+    name: "Hedy Lammar",
+    email: "hedy@wifi.com",
+    imageUrl: "/customers/hedy-lammar.png",
   },
   {
     id: 4,
-    name: "Delba",
-    email: "delba@nextmail.com",
+    name: "Margaret Hamilton",
+    email: "margaret@nasa.com",
+    imageUrl: "/customers/margaret-hamilton.png",
   },
 ];
 
@@ -38,28 +42,64 @@ export const invoices: Invoice[] = [
     id: 1,
     customerId: 1,
     amount: 15795,
-    date: "2021-01-01",
     status: "pending",
+    date: "2023-12-01",
   },
   {
     id: 2,
     customerId: 2,
     amount: 20348,
-    date: "2021-02-01",
     status: "pending",
+    date: "2023-11-01",
   },
   {
     id: 3,
     customerId: 3,
     amount: 3040,
-    date: "2021-03-01",
     status: "paid",
+    date: "2023-10-01",
   },
   {
     id: 4,
     customerId: 4,
     amount: 44800,
-    date: "2021-04-01",
     status: "paid",
+    date: "2023-09-01",
+  },
+  {
+    id: 5,
+    customerId: 1,
+    amount: 34577,
+    status: "pending",
+    date: "2023-08-01",
+  },
+  {
+    id: 6,
+    customerId: 2,
+    amount: 54246,
+    status: "pending",
+    date: "2023-07-01",
+  },
+  {
+    id: 7,
+    customerId: 3,
+    amount: 8945,
+    status: "paid",
+    date: "2023-06-01",
   },
 ];
+
+export const revenue: Revenue[] = [
+  { month: "Jan", revenue: 2000 },
+  { month: "Feb", revenue: 1800 },
+  { month: "Mar", revenue: 2200 },
+  { month: "Apr", revenue: 2500 },
+  { month: "May", revenue: 2300 },
+  { month: "Jun", revenue: 3200 },
+  { month: "Jul", revenue: 3500 },
+  { month: "Aug", revenue: 3700 },
+  { month: "Sep", revenue: 2500 },
+  { month: "Oct", revenue: 2800 },
+  { month: "Nov", revenue: 3000 },
+  { month: "Dec", revenue: 4800 },
+];
diff --git a/dashboard/15-final/app/ui/card.tsx b/dashboard/15-final/app/ui/card.tsx
index bb43e8a..c3311b5 100644
--- a/dashboard/15-final/app/ui/card.tsx
+++ b/dashboard/15-final/app/ui/card.tsx
@@ -24,15 +24,17 @@ export default function Card({
   const Icon = iconMap[type];
 
   return (
-    <div className="flex justify-between rounded-xl border bg-white p-6 shadow-sm">
-      <div>
+    <div className="rounded-xl border bg-white p-6 shadow-sm">
+      <div className="flex justify-between ">
         <h3 className="text-sm font-medium">{title}</h3>
-        <p className="mt-2 text-3xl font-semibold tracking-wide">{value}</p>
-        <p className="mt-1.5 text-sm text-zinc-400">+00% since last month</p>
+        {Icon ? (
+          <Icon className="h-5 w-5 text-zinc-700" aria-label={type} />
+        ) : null}
       </div>
-      {Icon ? (
-        <Icon className="h-5 w-5 text-zinc-700" aria-label={type} />
-      ) : null}
+      <p className="mt-2 truncate text-2xl font-semibold tracking-wide md:text-3xl">
+        {value}
+      </p>
+      <p className="mt-1.5 text-sm text-zinc-400">+00% since last month</p>
     </div>
   );
 }
diff --git a/dashboard/15-final/app/ui/dashboard-overview.tsx b/dashboard/15-final/app/ui/dashboard-overview.tsx
index 32f0361..9065ba9 100644
--- a/dashboard/15-final/app/ui/dashboard-overview.tsx
+++ b/dashboard/15-final/app/ui/dashboard-overview.tsx
@@ -1,6 +1,8 @@
 import Card from "@/app/ui/card";
-import { invoices, customers } from "@/app/lib/dummy-data";
+import { invoices, customers, revenue } from "@/app/lib/dummy-data";
 import { calculateInvoices } from "@/app/lib/calculations";
+import RevenueChart from "@/app/ui/revenue-chart";
+import LatestInvoices from "@/app/ui/latest-invoices";
 
 export default function DashboardOverview() {
   const totalPaidInvoices = calculateInvoices(invoices, "paid");
@@ -9,15 +11,21 @@ export default function DashboardOverview() {
   const numberOfCustomers = customers.length;
 
   return (
-    <div className="grid grid-cols-1 gap-6 md:grid-cols-4">
-      <Card title="Collected" value={totalPaidInvoices} type="collected" />
-      <Card title="Pending" value={totalPendingInvoices} type="pending" />
-      <Card title="Total Invoices" value={numberOfInvoices} type="invoices" />
-      <Card
-        title="Total Customers"
-        value={numberOfCustomers}
-        type="customers"
-      />
-    </div>
+    <>
+      <div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-4">
+        <Card title="Collected" value={totalPaidInvoices} type="collected" />
+        <Card title="Pending" value={totalPendingInvoices} type="pending" />
+        <Card title="Total Invoices" value={numberOfInvoices} type="invoices" />
+        <Card
+          title="Total Customers"
+          value={numberOfCustomers}
+          type="customers"
+        />
+      </div>
+      <div className="mt-6 grid grid-cols-1 gap-6 md:grid-cols-4 lg:grid-cols-8">
+        <RevenueChart revenue={revenue} />
+        <LatestInvoices invoices={invoices} customers={customers} />
+      </div>
+    </>
   );
 }
diff --git a/dashboard/15-final/app/ui/dashboard-sidenav.tsx b/dashboard/15-final/app/ui/dashboard-sidenav.tsx
index e8c7126..2b5838a 100644
--- a/dashboard/15-final/app/ui/dashboard-sidenav.tsx
+++ b/dashboard/15-final/app/ui/dashboard-sidenav.tsx
@@ -47,7 +47,7 @@ export default function SideNav() {
             )}
           >
             <TabIcon className="h-6 w-6 md:mr-2" />
-            <div className="hidden md:block">{tab.name}</div>
+            <p className="hidden md:block">{tab.name}</p>
           </Link>
         );
       })}
diff --git a/dashboard/15-final/app/ui/dashboard-topnav.tsx b/dashboard/15-final/app/ui/dashboard-topnav.tsx
index 3ad1349..d5f95eb 100644
--- a/dashboard/15-final/app/ui/dashboard-topnav.tsx
+++ b/dashboard/15-final/app/ui/dashboard-topnav.tsx
@@ -2,8 +2,8 @@ import Search from "./search";
 
 export default function TopNav() {
   return (
-    <div className="h-16 border-b flex items-center">
+    <div className="flex h-16 items-center border-b">
       <Search />
     </div>
-  )
+  );
 }
diff --git a/dashboard/15-final/app/ui/latest-invoices.tsx b/dashboard/15-final/app/ui/latest-invoices.tsx
new file mode 100644
index 0000000..6a832f5
--- /dev/null
+++ b/dashboard/15-final/app/ui/latest-invoices.tsx
@@ -0,0 +1,52 @@
+// InvoiceList.tsx
+import { Customer, Invoice } from "@/app/lib/definitions";
+import { findLatestInvoices } from "@/app/lib/calculations";
+
+export default function LatestInvoices({
+  invoices,
+  customers,
+}: {
+  invoices: Invoice[];
+  customers: Customer[];
+}) {
+  const lastFiveInvoices = findLatestInvoices(invoices);
+
+  return (
+    <div className="w-full rounded-xl border p-6 shadow-sm md:col-span-4 lg:col-span-3">
+      <h2 className="font-semibold">Latest Invoices</h2>
+
+      {lastFiveInvoices.map((invoice) => {
+        const customer = customers.find(
+          (customer) => customer.id === invoice.customerId,
+        );
+        return (
+          <div
+            key={invoice.id}
+            className="mt-8 flex  flex-row items-center justify-between"
+          >
+            <div className="flex items-center">
+              <img
+                src={customer?.imageUrl || ""}
+                alt={customer?.name || ""}
+                className="mr-4 h-8 w-8 rounded-full"
+              />
+              <div className="min-w-0">
+                <p className="truncate font-semibold">{customer?.name}</p>
+                <p className="hidden text-sm text-gray-500 sm:block">
+                  {customer?.email}
+                </p>
+              </div>
+            </div>
+            <p className="truncate font-medium sm:text-lg">
+              +{" "}
+              {(invoice.amount / 100).toLocaleString("en-US", {
+                style: "currency",
+                currency: "USD",
+              })}
+            </p>
+          </div>
+        );
+      })}
+    </div>
+  );
+}
diff --git a/dashboard/15-final/app/ui/revenue-chart.tsx b/dashboard/15-final/app/ui/revenue-chart.tsx
new file mode 100644
index 0000000..f9b0b61
--- /dev/null
+++ b/dashboard/15-final/app/ui/revenue-chart.tsx
@@ -0,0 +1,49 @@
+import { Revenue } from "@/app/lib/definitions";
+import { generateYAxis } from "@/app/lib/calculations";
+
+// This component is representational only.
+// For data visualization UI, check out:
+// https://www.chartjs.org/
+// https://airbnb.io/visx/
+// https://www.tremor.so/
+export default function RevenueChart({ revenue }: { revenue: Revenue[] }) {
+  const chartHeight = 350;
+  const { yAxisLabels, topLabel } = generateYAxis(revenue);
+
+  if (!revenue || revenue.length === 0) {
+    return <p className="mt-4 text-zinc-400">No data available.</p>;
+  }
+
+  return (
+    <div className="rounded-xl border p-6 shadow-sm md:col-span-5">
+      <h2 className="font-semibold">Revenue</h2>
+      <div className="sm:grid-cols-13 mt-4 grid grid-cols-12 items-end gap-2 md:gap-4">
+        {/* y-axis */}
+        <div
+          className="mb-6 hidden flex-col justify-between text-sm text-zinc-400 sm:flex"
+          style={{ height: `${chartHeight}px` }}
+        >
+          {yAxisLabels.map((label, index) => (
+            <p key={index}>{label}</p>
+          ))}
+        </div>
+
+        {revenue.map((month, index) => (
+          <div key={index} className="flex flex-col items-center gap-2">
+            {/* bars */}
+            <div
+              className="w-full rounded-md bg-gradient-to-t from-blue-200 via-blue-300 to-blue-400"
+              style={{
+                height: `${(chartHeight / topLabel) * month.revenue}px`,
+              }}
+            ></div>
+            {/* x-axis */}
+            <p className="-rotate-90 text-sm text-zinc-400 sm:rotate-0">
+              {month.month}
+            </p>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/dashboard/15-final/public/customers/ada-lovelace.png b/dashboard/15-final/public/customers/ada-lovelace.png
new file mode 100644
index 0000000..962308e
Binary files /dev/null and b/dashboard/15-final/public/customers/ada-lovelace.png differ
diff --git a/dashboard/15-final/public/customers/grace-hopper.png b/dashboard/15-final/public/customers/grace-hopper.png
new file mode 100644
index 0000000..4334b3c
Binary files /dev/null and b/dashboard/15-final/public/customers/grace-hopper.png differ
diff --git a/dashboard/15-final/public/customers/hedy-lammar.png b/dashboard/15-final/public/customers/hedy-lammar.png
new file mode 100644
index 0000000..3a8fd6c
Binary files /dev/null and b/dashboard/15-final/public/customers/hedy-lammar.png differ
diff --git a/dashboard/15-final/public/customers/margaret-hamilton.png b/dashboard/15-final/public/customers/margaret-hamilton.png
new file mode 100644
index 0000000..3abc439
Binary files /dev/null and b/dashboard/15-final/public/customers/margaret-hamilton.png differ
diff --git a/dashboard/15-final/tailwind.config.ts b/dashboard/15-final/tailwind.config.ts
index c7ead80..083a5b7 100644
--- a/dashboard/15-final/tailwind.config.ts
+++ b/dashboard/15-final/tailwind.config.ts
@@ -1,20 +1,23 @@
-import type { Config } from 'tailwindcss'
+import type { Config } from "tailwindcss";
 
 const config: Config = {
   content: [
-    './pages/**/*.{js,ts,jsx,tsx,mdx}',
-    './components/**/*.{js,ts,jsx,tsx,mdx}',
-    './app/**/*.{js,ts,jsx,tsx,mdx}',
+    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
+    "./components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./app/**/*.{js,ts,jsx,tsx,mdx}",
   ],
   theme: {
     extend: {
       backgroundImage: {
-        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
-        'gradient-conic':
-          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))',
+        "gradient-radial": "radial-gradient(var(--tw-gradient-stops))",
+        "gradient-conic":
+          "conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))",
+      },
+      gridTemplateColumns: {
+        "13": "repeat(13, minmax(0, 1fr))",
       },
     },
   },
   plugins: [],
-}
-export default config
+};
+export default config;