donate company produces three products a, b, and c. Data concerning the three products for princesses per unit Kohl's selling price a $88 B $58 C $80 variable expenses: direct materials a $26.40 b $12 C $12 other variable expenses a $26.40 b $34.40 c $44 total variable expenses $52.80 b $46.40 c $56 contribution margin a $35.20 b $11.60 C $24 compution contribution margin ratio a 40% B 20% C 30% the company estimates that it can sell 800 units of each product per month. The same raw material is used in. The material cost $3 per pound with a maximum of 5400 lb available each month. Required calculate the contribution margin per pound of the constraining resource for each product.