diff --git a/classes/Auth.js b/classes/Auth.js
index e69de29..e8718a1 100644
--- a/classes/Auth.js
+++ b/classes/Auth.js
@@ -0,0 +1,19 @@
+const Customer = require('./Customer');
+
+
+class Auth {
+    constructor() {
+        this.customers = [];
+    }
+    register(name, email,shippingAddress) {
+        let newCustomer = new Customer(name, email, shippingAddress);
+        this.customers.push(newCustomer);
+        return newCustomer;
+    }
+    login(email) {
+        let customer = this.customers.find(customer => customer.email === email) || null;
+            return customer;
+    }
+}
+
+module.exports = Auth;
\ No newline at end of file
diff --git a/classes/Cart.js b/classes/Cart.js
index e69de29..d509afd 100644
--- a/classes/Cart.js
+++ b/classes/Cart.js
@@ -0,0 +1,24 @@
+class Cart{
+    constructor(){
+        this.products=[];
+        this.total=0;
+    }
+    addProduct(prod){
+        this.products.push(prod);
+        this.total+=prod.price;
+    }
+    removeProduct(index){
+        const [product] = this.products.splice(index,1);
+        this.total-=product.price;
+    }
+    getTotal(){
+        return this.total;
+    }
+    clear(){
+        this.products=[];
+        this.total=0;
+    }
+}
+
+
+module.exports = Cart;
\ No newline at end of file
diff --git a/classes/Customer.js b/classes/Customer.js
index e69de29..134ec51 100644
--- a/classes/Customer.js
+++ b/classes/Customer.js
@@ -0,0 +1,21 @@
+class Customer{
+    constructor(name,email,shippingAddress){
+        this.name=name;
+        this.email=email;
+        this.shippingAddress=shippingAddress;
+        this.orderHistory=[];
+        this.rewardPoints = 0; 
+    }
+    addToOrderHistory(cart){
+        this.orderHistory.push(cart);
+    }
+    getRewardPoints(){
+        return this.orderHistory.reduce((total,cart)=>{
+            return total+=cart.products.reduce((sum, product)=>{
+                return sum+product.rewardPoints;
+            },0);
+        },0);
+    }
+}
+
+module.exports=Customer;
\ No newline at end of file
diff --git a/classes/Product.js b/classes/Product.js
index e69de29..faece4c 100644
--- a/classes/Product.js
+++ b/classes/Product.js
@@ -0,0 +1,16 @@
+class Product {
+    constructor(name, price, description) {
+        this.name = name;
+        this.price = price;
+        this.description = description;
+        this.inStock = true;
+        this.rewardPoints = price * 100;
+    }
+    display() {
+        return `Name: ${this.name}, Price: $${this.price}, Description: ${this.description}`
+    }
+
+
+}
+
+module.exports = Product;
\ No newline at end of file
diff --git a/index.js b/index.js
index efad601..4144f5b 100644
--- a/index.js
+++ b/index.js
@@ -1,15 +1,13 @@
 // Import Classes Here
+// Import Classes Here
+const Product = require('./classes/Product')
+const Cart = require('./classes/Cart')
+const Customer = require('./classes/Customer')
+const Auth = require('./classes/Auth')
 
 
 
 
-
-
-
-
-
-
-// DO NOT EDIT BELOW THIS LINE
 try {
     module.exports = {
         Product,
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",