son Corporatlon sells three products (M, N, and O) in the following mix: 3:12. Unit price and cost data are: Unit sales price Unit variable costs M N 0 $10 $7 $9 4 7 are $561,000. The contributlon margin per composite unit for the current sales mix (round to the nearest cent) Is: Multiple Choice $2600 $ 8.67 $22.00 $55.00 $3700