Answer:
Variable cost per unit = $64 per unit
so correct option is b. $64
Step-by-step explanation:
given data
sold Arks = 14,000 units
sold Bins = 56,000 units
products unit selling price unit variable cost unit contibution
Arks $120 $80 $40
Bins 80 60 20
to find out
Carter Co.'s variable cost
solution
we get here Variable cost per unit find as
Variable cost per unit = ( Arks unit variable cost × sold Arks + Bins unit variable cost × sold Bins ) ÷ total sales
Variable cost per unit =

Variable cost per unit = $64 per unit
so correct option is b. $64