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1-What is the margin of safety in dollars? (Do not round intermediate calculations.) What is the margin of safety percentage? (Round your final answers to the nearest whole percentage (i.e, .12 should be entered as 12%).)

2-What is the degree of operating leverage? (Round your answer to 2 decimal places.)

3-Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 3% increase in sales? Do not round intermediate calculations. Round your percentage answer to 2 decimal places (i.e .1234 should be entered as 12.34%).

4-Assume that the amounts of the companys total variable expenses and total fixed expenses were reversed. In other words, assume that the total variable expenses are $7,200 and the total fixed expenses are $12,500. Under this scenario and assuming that total sales remain the same, what is the degree of operating leverage? (Round your answer to 2 decimal places.)

5-Assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. In other words, assume that the total variable expenses are $7,200 and the total fixed expenses are $12,500. Given this scenario, and assuming that total sales remain the same, calculate the degree of operating leverage. Using the calculated degree of operating leverage, what is the estimated percent increase in net operating income of a 3% increase in sales? Do not round intermediate calculations. Round your percentage answer to 2 decimal places (i.e .1234 should be entered as 12.34%).

could you please solve each question with steps and explanation ?

Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): Sales S 21 21,500 Variable expenses 12,500 Contribution margin 9,000 Fixed expenses 7,200 Net operating income S1,800