Hudson Co. reports the contribution margin income statement for 2015. HUDSON CO. Contribution Margin Income Statement For Year Ended December 31, 2015 Sales (9,100 units at $225 each) $ 2,047,500 Variable costs (9,100 units at $135 each) 1,228,500 Contribution margin $ 819,000 Fixed costs 297,000 Pretax income $ 522,000 If the company raises its selling price to $225 per unit. 1. Compute Hudson Co.'s contribution margin per unit. 2. Compute Hudson Co.'s contribution margin ratio. 3. Compute Hudson Co.'s break-even point in units. 4. Compute Hudson Co.'s break-even point in sales dollars