You are given the following estimated information about a proposed project: Investment cost $ 66,000 Annual cost $/Year 10,000 Salvage value 10,000 Economic life 6 years M.A.R.R 10% Answer questions 4 through 6 based on the above information 4- The present worth cost of the proposed project is closest to : Select one: a. $ 104,908 b. $ 65,270 c. $ 87,840 d. $ 114,310