Which of the following terminology best defines the amount by which sales revenues can decline before losses are incurred? Select one: O a. Margin of safety. O b. Contribution margin. O c. Contribution margin ratio. O d. Gross profit. O e. Degree of operating leverage. To determine break-even units, Unit Contribution Margin must be divided by Total Fixed Costs. Select one: O True O False Cost-Volume-Profit analysis can be analyzed on a total basis, a per unit basis, or a percent basis. 2 Select one: O True O False Nacho Corporation reported revenues of $120,000, variable costs of $80,000 and a margin of safety of $24,000. Given this information, determine the fixed costs for Nacho. Select one: O a $60,000 O b. $90,000 Oc. $100,000 O d. $80,000 O e. $120,000