Complete solution for Restaurants/pubs

Hi all, I want a soft for restaurants/pubs integrated with POS where I can manage my sales per tables. For an overview you can look at: <[login to view URL]> (this is just an example) For the first version I need this program only for desktop, if everything will be OK I intend to extend this program on tablets. Couple of important futures should be: - Users (add, edit, delete users): Should have roles for user: Admin, barman, waiter... (Add, edit, delete roles) - Products (Add, edit, delete): Should be able to group products into categories - Manage tables: add tables, remove. Create invoice per table, edit invoice for a table. - should be possible to create sales report by period. - Should have a modern design, not like myfreepos (that is a very old design), something like this: <[login to view URL]> it's ok I want this project to be created in C#, DB doesn't matter. NOTE: I prefer someone with experience in such kind of software type. Also when you bind please estimate you price. Above you have main functions so you should take in consideration (when you make a financial estimation) that when you will receive all specifications there will be more to do not just add, edit and delete an object. If you ever worked with such software type you know what I mean.