Can u help me for this question

6) Suppose that you have to decide between three mutually exclusive alternatives regarding the manufacturing techniques of the plant you are working in as an engineer. Following list is given: Technique A (S) Technique B ($) Technique C (S) First investment (initial cost) 20,000 40.000 30,000 Salvage value 7.000 20,000 5.000 Operating cost per hour 4 2 6 Useful life (year) 5 20 4 Here, system A, B, and operates 6, 12, and 20 hours a day, respectively. Assume that each are working 310 days per year. Assuming MARR is 12%, find the followings for each of these alternatives: a) Assuming a very long life for each, capitalized cost (CC)? b) Capital recovery (CR) c) Now suppose that revenue values for all are the same and given by $70,000. Which one would you prefer by using the AW analyses