diff --git a/classes/Auth.js b/classes/Auth.js
index e69de29..6843903 100644
--- a/classes/Auth.js
+++ b/classes/Auth.js
@@ -0,0 +1,25 @@
+const Customer = require("./Customer.js");
+
+class Auth {
+    constructor(customers = []) {
+        this.customers = customers
+    }
+    register(name, email, shippingAddress) {
+        let customer1 = new Customer(name, email, shippingAddress);
+        this.customers.push(customer1);
+    }
+    login(email) {
+        let result = null
+        this.customers.map((customer) => {
+            if (email === customer.email) {
+                result = customer
+
+            }
+
+        })
+        return result
+
+
+    }
+}
+module.exports = Auth;
\ No newline at end of file
diff --git a/classes/Cart.js b/classes/Cart.js
index e69de29..fcac07e 100644
--- a/classes/Cart.js
+++ b/classes/Cart.js
@@ -0,0 +1,19 @@
+class Cart {
+    constructor(products = [], total = 0) {
+        this.products = products,
+        this.total = total
+    }
+
+    addProduct(product) {
+        this.products.push(product)
+        this.total += product.price
+    }
+
+    removeProduct(i) {
+        let product = this.products[i]
+        this.total -= product.price
+        this.products.splice(i, 1)
+    }
+}
+
+module.exports = Cart
\ No newline at end of file
diff --git a/classes/Customer.js b/classes/Customer.js
index e69de29..1826c19 100644
--- a/classes/Customer.js
+++ b/classes/Customer.js
@@ -0,0 +1,14 @@
+class Customer {
+  constructor(name, email, shippingAddress, orderHistory = []) {
+    this.name = name;
+    this.email = email;
+    this.shippingAddress = shippingAddress;
+    this.orderHistory = orderHistory;
+  }
+
+  addToOrderHistory(cart) {
+    this.orderHistory.push(cart);
+  }
+}
+
+module.exports = Customer;
diff --git a/classes/Product.js b/classes/Product.js
index e69de29..b6c13de 100644
--- a/classes/Product.js
+++ b/classes/Product.js
@@ -0,0 +1,15 @@
+class Product {
+
+    constructor(name, price, description){
+        this.name = name;
+        this.price = price;
+        this.description = description;
+        this.inStock = true;
+    }
+
+    display(){
+        return `Name: ${this.name}, Price: $${this.price}, Description: ${this.description}`
+    }
+}
+
+module.exports = Product;
diff --git a/index.js b/index.js
index efad601..c28e1b7 100644
--- a/index.js
+++ b/index.js
@@ -1,49 +1,36 @@
 // Import Classes Here
-
-
-
-
-
-
-
-
-
+const Product = require("./classes/Product.js");
+const Cart = require("./classes/Cart.js");
+const Customer = require("./classes/Customer.js");
+const Auth = require("./classes/Auth.js")
 
 // DO NOT EDIT BELOW THIS LINE
 try {
-    module.exports = {
-        Product,
-    }
-} catch(e){
-
-}
+  module.exports = {
+    Product,
+  };
+} catch (e) {}
 
 try {
-    module.exports = {
-        Product,
-        Cart
-    }
-} catch(e){
-
-}
+  module.exports = {
+    Product,
+    Cart,
+  };
+} catch (e) {}
 
 try {
-    module.exports = {
-        Product,
-        Cart,
-        Customer
-    }
-} catch(e){
-
-}
+  module.exports = {
+    Product,
+    Cart,
+    Customer,
+  };
+} catch (e) {}
 
 try {
-    module.exports = {
-        Product,
-        Cart,
-        Customer,
-        Auth
-    }
-} catch(e){
-
-}
\ No newline at end of file
+  module.exports = {
+    Product,
+    Cart,
+    Customer,
+    Auth,
+  };
+} catch (e) {}
diff --git a/package-lock.json b/package-lock.json
index 9b68881..5713249 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4717,7 +4717,8 @@
     "jest-pnp-resolver": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.3.tgz",
-      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w=="
+      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w==",
+      "requires": {}
     },
     "jest-regex-util": {
       "version": "29.4.3",