If you insulate your office for $20,000, you will save $2,000 a year in heating expenses. These savings will last forever.

a. What is the NPV of the investment when the cost of capital is 8%? 10%?

cost of Capital	NPV
8%
10%

b. what is the IRR of the investment? Enter as whole percent

IRR

%

C. What is the payback period on this investment

Payback period

years