Two mutually exclusive alternatives are being considered for a project at a petroleum refinery facility. One of the alternatives must be chosen. The company uses a MARR of 12%. The estimated cash flows are presented as follows: a. Determine which equipment should be chosen for an analysis period of 8 years using the present worth method. (thpts) c. If the analysis period is reduced to 4 years and Equipment B has an estimated salvage value of $4,000 at the end of the fourth year, which equipment would you