A company sells 200 units of a product every week; the fixed costs for buildings, machines and employees are $12,000 a week, while raw material and other variable costs are $50 a unit.

a.What is the profit/loss if the selling price is $130 a unit?

b.What is the profit/loss if the selling price is $80 a unit?

c.What is the profit if the selling price is fixed at $80 but sales rise to 450 units a week?