Wilma Company must decide whether to make or buy some of its components. The costs of producing 60, 500 switches for its generators are as follows. Instead of making the switches at an average cost of $2.96 ($179,080 60,500), the company has an opportunity to buy the switches at $2.70 per unit. If the company purchases the switches, all the variable costs and one-fourth of the fixed costs will be eliminated. Prepare an incremental analysis showing whether the company should buy the switches. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Wilma Company will incur $ of additional costs if it the switches