Compute net present value, profitability index, and internal rate of return. a. (1) NPV A $16,709 (3) IRR B 12% P12.3A (LO 2, 3, 4), AN Service Brooks Clinic is considering investing in new heart-monitoring equipment. It has two options. Option A would have an initial lower cost but would require a significant expenditure for rebuilding after 4 years.