Whispering, Inc. buys 1,200 video game CDs from a distributor who is discontinuing those games. The purchase price for the lot is $8,500. Whispering will group the CDs into three price categories for resale, as indicated below. Determine the cost per CD for each group, using the relative sales value method. (Do not round ratios for computational purposes. Round answers to 2 decimal places, e.g. 15.25.)