Hudson Co. reports the contribution margin income statement for 2015. Contribution Margin Income Statement For Year Ended December 31, 2015 Sales (9,600 units at $225 each) $2,160,000 Variable costs (9,600 units at $180 each) 1,728,000 Contribution margin $432,000 Fixed costs 324,000 Pretax income $108,000 If the company raises its selling price to $240 per unit. Compute Hudson Co.'s contribution margin per unit.