Answer:
Unitary variable cost= $89
Step-by-step explanation:
Giving the following information:
Direct materials $37 per unit
Variable manufacturing overhead $20 per unit
Direct labor $25 per unit
Variable marketing and administrative costs $ 7 per unit
The unitary variable cost is the sum of all the variable components.
Unitary variable cost= 37 + 20 + 25 + 7= $89