benitez company currently outsources a relay switch that is a component in one of its products. the switches cost $23 each. the company is considering making the switches internally at the following projected annual production costs: unit-level material cost $ 4 unit-level labor cost $ 3 unit-level overhead $ 2 batch-level set-up cost (9,000 units per batch) $ 46,000 product-level supervisory salaries $ 48,000 allocated facility-level costs $ 41,000 the company expects an annual need for 9,000 switches. if the company makes the product, it will have to utilize factory space currently being leased to another company for $3,600 a month. if the company decides to make the parts, total costs will be: multiple