Santos Company currently manufactures one of its crucial parts at a cost of $3.10 per unit. This cost is based on a normal production rate of 60,000 units per year. Variable costs are $1.60 per unit, fixed costs related to making this part are $60,000 per year, and allocated fixed costs are $30,000 per year. Allocated fixed costs are unavoidable whether the company makes or buys the part. Santos is considering buying the part from a supplier for a quoted price of $2.80 per unit guaranteed for a three-year period. Calculate the total incremental cost of making 60,000 units. Total incremental cost $ Calculate the total incremental cost of buying 60,000 units.