You currently purchase a part used in your production process from an outside supplier, and have decided to begin making this part in-house. you have two equipment options for moving production in-house: special-purpose equipment and general-purpose equipment. cost information for these two options is as follows: alternative fixed cost variable cost special-purpose equipment $200,000 per year $15 per unit general-purpose equipment $50,000 per year $20 per unit for what range of output is the special-purpose equipment the low-cost option? a) 30,000 or more units per year b) 40,000 or more units per year c) 0 - 30,000 units per year d) 0 - 40,000 units per year