You are evaluating a project which has a useful life of 5 years. However, you suspect that the project's economic life might be different. The initial investment for the project is $5,000,000. The cash flows for the 5 years are $1.5 million, $1.7 million, $1.8 million, $2 million, and $2 million. The abandonment value of the project in each of the first 4 years is $4.2 million, $4 million, $3.5 million, and $2 million. The abandonment value for the 5th year is incorporated into the cash flow given above. The required rate for this project is 15%.

a. What is the NPV of the project, assuming its useful life?

b. Determine the economic life for the asset.

c. What is the meaning of the result in b?