Costs to Make Costs to Buy Outside Supplier Calculate the total incremental cost of buying 60,000 units. (Round cost per unit answer to 2 decimal places.) Incremental Costs to Buy Relevant Relevant Amount per Unit fixed costs Total relevant costs Total incremental cost to buy 0 Costs to Make Costs to Buy Outside Supplier Calculate the total incremental cost of buying 60,000 units. (Round cost per unit answer to 2 decimal places.) Incremental Costs to Buy Relevant Relevant Amount per Unit fixed costs Total relevant costs Total incremental cost to buy 0