11A. If you install a new air conditioner in your office for $100,000, you will save $20,000 a year in cooling expenses over the next ten years. What is the NPV of the investment when the cost of capital is 8%? NPV = $..... What is the IRR of the investment? IRR ........ . 11B. If you install a new air conditioner in your office for $100,000, you will save $20,000 a year in cooling expenses in perpetuity. What is the NPV of the investment when the cost of capital is 8%? NPV = $......... . What is the IRR of the investment? IRR = ....... ........ ..........%