Please, complete the exercise. Thank you in advance.

United Snack Company sells 50-pound bags of peanuts to university dormitories for $10 a bag. The fixed costs of this operation are $80,000, while the variable costs of peanuts are S0.10 per pound. 3. a. What is the break-even point in bags? b. Calculate the profit or loss on 12,000 bags and on 25,000 bags c. What is the degree of operating leverage at 20,000 bags and at 25,000 bags