(Solved): The estimated negative cash flows for three design alternatives are shown below. The MARR is 15 ...

The estimated negative cash flows for three design alternatives are shown below. The MARR is $$15\%$$ per year and the study period is six years. Which alternative is best based on the IRR method? Doing nothing is not an option. Which alternative would you choose as a base one? Choose the correct answer below. A. Alternative $$A$$ B. Alternative C C. Alternative B