Madison Corporation sells three products (M, N, and O) in the following sales mix: 3:1:2. Unit price and cost data are: Unit sales price Unit variable costs M $15 9 N $12 8 O $14 13 Total fixed costs are $624,000. The contribution margin per composite unit for the current sales mix (round to the nearest cent) is: Multiple Choice $57.00 O $85.00. $ 13.67 O $24.00 O 0 $41.00