A Korvak's firm evaluates all of its projects by using the NPV decision rule. A$.$ At a required return of $18$ percent what is the NPV for this project? B$.$ At a required return of $38$ percent, what is the NPV for this project?

Korvak's project provides annual cask flows if $$16,000$ for $5$ years costs $$49,000$ today. A$.$ If the required return is $10\%$ what is the NPV for this project? B$.$ Determine the IRR for this project.