Add New Feature in the Site - Highly Urgent -- 2

Website is developed in C# what I need is: An online order food website, user would be able to select to order food a week, two week or a month. And user would be able to select meals for everyday and pay with paypal/points. User would get points when they place orders. Backend: - admin set menus. Five days a week, every week the menu is the same -admin set drinks for every menu For example: User pick sandwich, then he has the choice to get a Coke/Sprite/Tea for free Deadline - 24 Hour