Exercise 16.26 UL LXERCISES Tester Company had unit contribution margin on $3.60 and fixed costs of $29.664. Income was $2.520. What was the margin of safety in units! a. 630 b. 700 c. 8,940 d. 7.540 Exercise 16.29 Bialy Company had the following information: Total sales Total variable cost Operating income $120,000 48,000 12,000 What is the breakeven sales revenue? a. $72,000 b. $60,000 c. $100,000 d. $108,000