9. Fenestre Corporation's contribution margin ratio is 25%. The company's breakeven is 80,000 units and the selling price of its only product is $4.00 a unit. What are the company's fixed expenses? (a) $20,000 (b) $80,000 (c) $120,000 None of the above. Assuming that the unit sales are unchanged, the total contribution margin will decrease if: (d) 10. (a) (b) (c) (d) fixed expenses increase. fixed expenses decrease. variable expense per unit increases. variable expense per unit decreases