Haver Company currently produces component RX5 for its sole product. The current cost per unit to manufacture the required 57,000 units of RX5 follows. Direct materials $ 5.00 Direct labor 9.00 Overhead 10.00 Total costs per unit $ 24.00 Direct materials and direct labor are 100% variable. Overhead is 80% fixed. An outside supplier has offered to supply the 57,000 units of RX5 for $20.00 per unit. Required: 1. Calculate the incremental costs of making and buying component RX5.