Answer:
b. $81
Explanation:
Calculation for theweighted-average unit contribution margin for Swifty
Using this formula
Weighted-average unit contribution margin = (Contribution per unit of Q-Drive × Weight of Q-Drive in sales mix) + (Contribution per unit of Q-Drive Plus × Weight of Q-Drive Plus in sales mix)
Let plug in the formula
Weighted-average unit contribution margin= [(Selling Price - Variable Costs) × 30%] + [( Selling Price - Variable Costs) × 70%]
Weighted-average unit contribution margin= [($165 - $105) × 30%] + [($210 - $120) × 70%]
Weighted-average unit contribution margin=($60 × 30%) + ($90 × 70%)
Weighted-average unit contribution margin= $18 + $63
Weighted-average unit contribution margin= $81
Therefore The weighted-average unit contribution margin for Swifty is $81