Saved 2 Problem 8-26 Investment Criteria (L01, LO2, LO4) 10 points If you insulate your office for $16,000, you will save $1,600 a year in heating expenses. These savings will last forever. a. What is the NPV of the investment when the cost of capital is 5%? 10%? NPV eBook Cost of Capital 5% 10% Hint Print b. What is the IRR of the investment? (Enter your answer as a whole percent.) References IRR % c. What is the payback period on this investment? Payback period years