A Shelter Sells Products and It Contributes Proceeds to Needy

A shelter sells products and it contributes proceeds to needy people in the community.The selling price of a product is $80.00 and the manager at the shelter reported that the variable cost per unit is $25.00.
Required:
Compute the contribution margin per unit.

A) $40 per unit
B) $45 per unit
C) $50 per unit
D) $55 per unit
E) $60 per unit