Build an Online Store

Need an internal web store created which will run directly from a share drive or office 365 location which would allow me to build the amount of products and quantities. No need for any payment gateway the order will be sent to an email address and once the product has been order so many times it will then be unavailable. must be able to run from a share drive with multiple users. nothing fancy just need 4 fields for the person could even be on 1 page Layout Below Name: CustomerNumber: Location: Drop down selectionfrom settings page MobilePh: 10 digit starting with 04 criteria Table Headings SKU Number , Description, Staff Price, Discount, Salvage Price, Qty, Total Cost SettingPage: Add products by SKU and Range and the number of products available. Email address all orders are sent to Once a product has been order the amount of times we have stock it is to be striked out on order form. The DISC is worked out by how much the orignal cost is minus the salvage price which give the discount and then devides that number by $5 to give the amount of DISC to be added to the order. Only have small fund for small project needs to be delivered in 4 days