The Alpha Division of the Carlson Company manufactures product X at a variable cost of $40 per unit. Alpha Division's fixed costs, which are sunk, are $20 per unit. The market price of X is $70 per unit. Beta Division of Carlson Company uses product X to make Y. The variable costs to convert X to Y are $20 per unit and the fixed costs, which are sunk, are $10 per unit. The product Y sells for $80 per unit