Haver Company currently produces component RX5 for its sole product. The current cost per unit to manufacture the required 51,000 units of RX5 follows. Direct materials Direct labor Overhead $4.00 8.00 9.00 Total costs per unit 21.00 $ Direct materials and direct labor are 100% variable. Overhead is 70% fi supplier has offered to supply the 51,000 units of RX5 for $19.00 per unit. xed. An outside Required: 1, Calculate the incremental costs of making and buying component RX5