benitez company currently outsources a relay switch that is a component in one of its products. the switches cost $40 each. the company is considering making the switches internally at the following projected annual production costs: unit-level material cost $ 5 unit-level labor cost $ 4 unit-level overhead $ 3 batch-level set-up cost (4,000 units per batch) $ 42,000 product-level supervisory salaries $ 46,000 allocated facility-level costs $ 37,000 the company expects an annual need for 4,000 switches. if the company makes the product, it will have to utilize factory space currently being leased to another company for $3,200 a month. if the company decides to make the parts, total costs will be: multiple choice $14,400 more than if the switches are purchased. $51,400 more than if the switches are purchased. $31,600 less than if the switches are purchased. $37,000 less than if the switches are purchased.