In: Finance
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%? ... b. What is the IRR of the investment? (Enter your answer as a whole percent.) IRR= ?? % c. What is the payback period on this investment? Payback Period= ?? Years
a. | ||||||||||
NPV-5% | $ 16,000 | |||||||||
NPV-10% | 0 | |||||||||
Working: | ||||||||||
NPV-5%: | ||||||||||
Present Value of savings | $ 1,600 | / | 5% | = | $ 32,000 | |||||
Less: Initial Cost | $ 16,000 | |||||||||
NPV | $ 16,000 | |||||||||
NPV-10%: | ||||||||||
Present Value of savings | $ 1,600 | / | 10% | = | $ 16,000 | |||||
Less: Initial Cost | $ 16,000 | |||||||||
NPV | 0 | |||||||||
b. | ||||||||||
IRR | 10% | |||||||||
IRR is the rate at which NPV is zero.At 10%, NPV is zero.So, IRR is 10%. | ||||||||||
c. | ||||||||||
Payback period | 10 Years | |||||||||
Working: | ||||||||||
Payback period | = | Initial Costs / Annual Saving | ||||||||
= | $ 16,000 | / | $ 1,600 | |||||||
= | 10 | Years | ||||||||