Hudson Co. reports the contribution margin income statement for 2015.HUDSON CO. Contribution Margin Income StatementFor Year Ended December 31, 2015Sales (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.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.

Suppose the united states has two utilities, commonweath utilities and consolidated electric. both produce 20 million tons of sulfur dioxide pollution per year. however, the marginal cost of reducing a ton of pollution for consolidated electric consolidated electric is $325325 per ton and the marginal cost of reducing a ton of pollution for commonwealth utilities commonwealth utilities is $425425 per ton. the government's goal is to cut sulfur dioxide pollution in half (by 20 million tons per year). if the government issues 10 million tradable pollution permits to each utility, what will be the cost of eliminating half of the pollution to society