Looking for a .net E-Commerce all ready completed Application

I need to create an ecommerce website(multi store, multi product) using an custom developed Ecommerce Application or existing open source project: preferably AspxCommerce. (but open to suggestions). There would be little modifications that we may need to do to the open source code, so that should not be a problem for the bidder. Anyone who has already developed and worked on such a project should only apply. I need to keep the cost of the project at a minimal to begin with and we can expand as the site progresses and we have confidence that the experiment will work. Please PM me cost with a link to a demo along with Admin password for backend, and if the application included source code. We are looking for complete all readymade solution only. Save your time and ours if you don't have a completed solution. You must have demo to show us with back-end admin all ready completed. If any custom developed Ecommerce Application, We would like to receive exclusive and complete copyrights to all work purchased. components, etc. Complete and fully-functional working program as well as complete source code of all work done in asp.net and databasing in sql. The page must be able to handle thousands of daily visitors and thousands of productsWebsite should include the following payment methods: Google checkout, paypal, CC Avenue and general. Plz download the features list attached