Kingbird, Inc. buys 1, 200 computer game CDs from a distributor who is discontinuing those games. The purchase price for the lot is $9, 600. Kingbird 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 final answers to 2 decimal places, e.g. 5.85.)