package models; public class Cart { /** * Name: add * @param item * @return boolean * * Inside the function: * 1. Adds an item to the cart if it wasn't already added. */ /** * Name: remove * @param name * * Inside the function: * 1. Removes the item that matches the name passed in. */ /** * Name: checkout * @return (String) * * Inside the function: * 1. Calculates the subtotal (price before tax). * 2. Calculates the tax (assume tax is 13%). * 3. Calculates total: subtotal + tax * 4. Returns a String that resembles a receipt. See below. */ }