Exe.Project investment.5.3

Question 18/261 Investment Criteria.
 If you insulate your office for $10,000 you will save $1,000 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%?
b.What is the IRR of the investment?
c. What is the payback period on this investment?