Add different price options to a website -- 2

Dear Developer We're starting a stock photo website making use of Joomla with Joobi's Multi Vendor Shopping Cart. Both are written in PHP. See: [login to view URL] We would like to offer our users image packs and subscriptions. We would like you to create a page like: [login to view URL] No need to design the template, as you will use the template that is already in use. The price blocks for subscriptions need to have the option for monthly or yearly subscription. When the user clicks on yearly or monthly, then the prices should change accordingly.