CRE Loaded Help

We have a site built using CRE Loaded. Here is the situation – for many products (pretty much all of them), we will either sell the product INDIVIDUALLY, or BY THE CASE. The buyer should be able to select their quantity for either individual units or for cases on the same page. This means that we are going to need to be able to enter in an "individual price and weight" AND “case price & weight” for EACH item…and this option needs to show up on the product page. Attached is a graphic that show how this might look at the bottom of a product page...as you can see, the user can select either the individual and/or the case option. The system will need to calculate each. IS THIS POSSIBLE? if so, how will you help? I am willing to pay a good budget for this one implementation - see below.