Hudson Co. reports the contribution margin income statement for 2019. HUDSON CO. Contribution Margin Income Statement For Year Ended December 31, 2019 Sales (8,600 units at $240 each) Variable costs (8,600 units at $180 each) Contribution margin Fixed costs Pretax income $2,064,000 1,548,000 $ 516,000 387,000 $ 129,000 1. Compute the company's degree of operating leverage for 2019. 2. If sales decrease by 5% in 2020, what will be the company's pretax income? 3. Assume sales for 2020 decrease by 5%. Prepare a contribution margin income statement for 2020.