13. If a product's variable cost per unit increases while the selling price and foed costs remain constant, what will happen to the breakeven point? a. It will increase. b. It will decrease. c it will remain the same. d. It may increase or decrease, depending on how much the variable cost per unit changes. 14. Assume a sales price per unit of $20, variable cost per unit $16, and total foxed costs of $168,000. What is the breakeven point in units? a. 42,000 units b. 10,500 units C 8,400 units d. 4,666 units 15. Saira, Inc. is planning to sell 800,000 units for $1.50 per unit. The contribution margin ratio is 20%. If Saira will break even at this level of sales, what are the fixed costs? a $240,000 b. $560,000 c. $800,000 d. $960,000