7. Three production processes -A, B, and C have the following cost structure: Fixed Cost per Year $120,000 90,000 80,000 Variable Cost per Unit $3.00 4.00 4.50 Process What is the most economical process for a volume of 8,000 units? How many units per year must be sold with each process to have annual profits of S50,000 if the selling price is $6.95 per unit? What is the break-even volume for each process? Identify the range of output for which each option would be preferred to the other two. a. b. c. d