Price per composite and variable cost per composite unit problem. Show work and explain steps along the way for both 7 and 8

7. Accra Company has fixed costs of $172,000, and a sales mix of 2:2:1. The following is information on its three products: Products Unit Sales Price Unit Variable Cost Product 1 $18.00 $10.00 Product 2 $27.00 $17.00 Product 3 $35.00 $28.00 The price per composite unit is: a. $80 b. $55 c. $125 d. $43 8. The variable cost per composite unit for Accra is: a. $55 b. $43 c. $25 d. $82