The estimated negative cash flows for three design alternatives are shown below. The MARR is 13% per year and the study period is four years. Which alternative is best based on the IRR method? Doing nothing is not an option. Alternative $65,900 $72,500 Capital 0 $86,300 investment Annual expenses 1 - 4 6,600 Which alternative would you choose as a base one? Choose the correct answer below. 13.470 11.020 O A. Alternative C B. Alternative B O C. Alternative A Analyze the difference between the base alternative and the second-choice alternative. IRRAC - B = %. (Round to two decimal places.) Enter your answer in the answer box and then click Check Answer. 2 parts 2 remaining Clear All Check