2 diff products at a lower price when bought togeh

-- url of the page with the problem -- : infinityfragrance.com/cass7/products/category/22-audio-cds
-- HikaShop version -- : 2.2.1
-- Joomla version -- : 3.1.5
-- PHP version -- : 5.3.26
-- Browser(s) name and version -- : XXXXX x.x.x
-- Error-message(debug-mod must be tuned on) -- : Error_message

As you can see on the page, the 2 Cds are priced at 24 sgd each. What should I do to allow buyers to pay only 40 sgd when the 2 cds are bought together instead of 48 sgd?

Hi,
The solution will probably be to add the first product as an option of the second product, and add the second product as an option of the first product through the "option" tab of your product page, where you'll be able to adapt the price of your products.

However when I do that, I cannot modify the price the price of the items. When added together, it is 48 sgd. theres no way for me to reduce $8 from it.