Sun Corporation has provided the following contribution format Income statement. All questions concern situations that are within the relevant range. Sales (5,000 units): $ 450,000 Variable expenses: $ 382,500 Contribution margin: $92,500 Fixed expenses: 73,800 Net operating income: $ 18,700 Required: a. What is the margin of safety in dollars? b. What is the degree of operating leverage? Complete this question by entering your answers in the tabs ow. Required Required What is the margin of safety in dollars? Note: Do not round intermediate calculations.