This is a simple billing system implemented in C. It allows users to add items to their cart, view customer details, and exit the program.
- Add customers with details like name, mobile number, and payment mode.
- Choose from a list of items to add to the cart (e.g., Bread, Milk, Eggs, Rice, Hand Wash, Shampoo).
- Supports online, card, cash, and gift card/voucher payment modes.
- View the total revenue and detailed customer information, including purchased items.