Oslo Company prepared the following contribution format income statement based on a sales volume of 1000 units the relevant range of production is 500 units to 1.500 units) Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 24.See 13.500 11.000 2.200 $ 3,300 Required: a. What is the margin of safety in dollars? (Do not round intermediate calculations.) Margin of safety b. What is the margin of safety percentage? Margin of safety