20, IMA Shop Ltd produces three products. Cost, price, and volume data is shown below. The weighted average contribution margin per unit for chocolate ice cream, rounded to the nearest cent, is: Total Fixed Costs: $2,400 Tax Rate: 30% Milkshake Chocolate Ice Cream Burger Bormal Volume 300 150 200 $10 $4 Price per unit S5 $7 Variable cost perS2 $3 unit a. $3.00 b. $0.92 c. $4.15 d. $1.39 3 2. 234