Division As cost accounting records show that the cost of its product is $150 per unit$100 in variable costs and $50 in fixed costs. The market price of the product, $160, barely covers Division As cost of production plus its selling and administrative costs. Division A has a maximum capacity of 100,000 units; it is currently producing and selling 75,000 units. Division B makes a product that uses Division As product and would like to purchase 10,000 units from Division A for $150. With $40 additional variable costs, Division B produces and sells the product for $225. Division As manager is not happy with Division Bs offer and is refusing to sell. Calculate the increase in corporate income in the following situations:

a.		Division A sells 10,000 units to Division B for $150 each, and Division B produces and sells 10,000 units for $225.
b.		Division A does not sell to Division B. Division B purchases 10,000 units from an external supplier at $160 each and produces and sells 10,000 units for $225.