2. A company's manager must decide whether to make or buy a certain item use production of Injection Molding machines. Cost and volume estimates are as follows: Make Annual fixed cost $ 300,000 | Variable cost/unit $ 120 |Annual Volume (units) 24,000 Buyo Buy None None $ 160 $ 160 | 24,000 24,000 a) Determine the annual cost of each alternative. b) Should the firm buy or make this item? c) There is a possibility that volume could change in the future. At what volume would the manager be indifferent between making and buying? d) Draw the break-even chart and comment on the results