The Calloway Tire Company's income statement for 20XX is as follows: CALLOWAY TIRE COMPANY Income Statement Year ended December 31, 20XX Sales (55,000 tires at $70 each) $ 3,850,000 Less: Variable costs (55,000 tires at $50) 2,750,000 Contribution margin Less: Fixed costs 1,100,000 900,000 Earnings before interest and taxes (EBIT) Interest expense 75,000 200,000 Earnings before taxes (EBT) Income tax expense (35%) 125,000 43,750 Earnings after taxes (EAT) $ 81,250 Given this income statement, compute the following: a) Degree of operating leverage b) Degree of financial leverage c) Degree of combined leverage 22:39