A company is considering four alternative processing equipment with 15-year useful lives. See the investment, annual savings, and costs in the table below. The MARR is 13%. Respond to the following questions: B D Initial Investment 18,000 9,500 31,500 27,500 Savings 6,400 4.000 10,000 7,900 Coots 3,150 2,200 4200 3,300 Based on a challenger-defender rate of return analysis, the best iterativo in Aernative "D" because it has the lowest Aternative because a has an IRA 14.9% and in greater than the MAAR Anomalive because it is best changer for det der ng incrementate of retum analysis Ale town has the highest