[Luckyj]

Hi, I am trying to setup an online liquor store. Have already setup different categories of liquor and everything. I need to be able to add Bottle deposit based on quantity/size purchased of each product. Deposit part of the transaction would not include tax, so for example if a bottle Crown Royal costs $28.99 then total should be 28.99+tax and 0.10cent deposit added to the total. Can someone please guide me in the right direction as a
I am new to the whole Xcart. I am using version 5.*** Thanks in advance.