Data entry for oscommerce site

I am looking for someone who has done worked on easy Populate and PAPS for bulk import data entry oscommerce. We have more than 50000 products so this will be a long term work. We also have to add stock for each product, and quantity price breaks (modules for this are already installed) So your work will include the following 1. From an excel with products, colors, sizes, price breaks, image names etc that I will provide, you will have to add it to an easy populate excel format. 2. Modify the naming format of the image files and upload them along with the PAPs excel sheet that you will have to prepare using the Paps module 3. Add the stock values for each product via oscommerce 4. Add the quantity price break for each product via oscommerce Please let me know your quotation for every 100 products.