Please help me by showing me how to solve these detailed step-by-step.

1 1. Harriet Quarterly wants a 25% return on the $100 of assets she has in her company. Her average variable costs are $50 per unit, and she has no fixed costs. If she sells 10 units, what price should she charge? a. $52.50. b. $62.50. C. $75.00. d. $87.50. e. $125.00. ANS: A 12. When producing 10 units, Jean has total variable costs of $100, total fixed costs of $100, and assets of $100. She wants a return of 10%. What price should she charge? a. $11. b. $21. C. $30. d. $210. e. $300. ANS: B