I need you to develop some software for me. I would like this software to be developed for Windows and using .NET technology if possible make it in WPF and i want source code too

I need you to develop some software for me. I would like this software to be developed for Windows using .NET. I want to create a software which generates bill when shopkeeper place order and shopkeeper able to add items in database and order must be queued after placing order and there are two reports 1) Purchase report and 2) Sales Report anf there are several forms like login,add new item,view items,view orders,view purchases,add vendor,view vendors and a queue is created when shopkeeper place order and there is a option of remove order and screen must be divide in 3 parts 1st part containts of taking order and 2nd part containts list of all items so shopkeeper directly select item from that list and 3rd part containts queue so shopkeeper easily track down the orders.