I need a little help. I'm trying to find out the amount of a discount to several differentitems in a buy 7 get 2 free. The cost ofthe 9 items were $90, $125, $90, $60, $60, $100, $100, $100, $100. Both $60amounts were taken off the bill as the 2 lowest amounts was the discount($120). How do I apply the discount rateto each item as there were several different people paying for theiritems. All items were put together inorder to receive the discount offered. Please help.