$13-4$ A firm is evaluating the acceptability of an investment that costs $$90,000$ and isexpected to generate annual cash flows equal to $$20,000$ for the next six years.If the firm$$s required rate of return is $10$ percent, what is the NPV of theproject? Should the project be purchased?

$13-5$ What is the IRR of a project that costs $$45,000$ if it is expected to generate$$15,047$ per year for five years?