Apple Store like Yii Base Shopping Cart

i need a typical like shopping cart ecommerce website build with yii framework,function like common shopping cart, but the price i need to seperate into merchant price and retail price. and i have ready template for front-end and back-end , and add-on a mobile template, our budget around USD 200 ~ USD 250 Front End - View Product Category - View Product Details - Purchase Order - Common Shopping Cart Function Back End (Mode : [login to view URL]) - User manage (email as login username,contact number) - Product manage (retail price,merchant price,multiple category,tags,image upload like freelancer.com) - Purchase Order manage(tick and let them know stock available or not in every order) User Role - Normal/Unregistered User: Can only view the retail price and make a purchase order and view their order status. - Merchant User: Can view both retail and merchant price and make a purchase order and view their order status. - Admin: Can edit all user detail ,user group,products,change order status Front-end template : [login to view URL] and the product detail i want to modify apple store style