The Molding Division of Cotwold Company manufactures a plastic casing used by the Assembly Division. This casing is also sold to external customers for $26 per unit. Variable costs for the casing are $12 per unit and fixed cost is $3 per unit. Cotwold executives would like for the Molding Division to transfer 9,000 units to the Assembly Division at a price of $18 per unit. Assume that the Molding Division has excess capacity, but the Assembly Division requires the casing to be made from a specific blend of plastics. This would raise the variable cost per unit to $21. Required: 1. What is the price most profitable to the Molding division? Explain why. 2. What is the price most profitable to the Assembly division? Explain why