Explain step by step

8. The university of Zambia wishes to Purchase a specialized printing machine for K700,000 which is expected to have a life of four years and a salvage value of K100,000 at the end of its life. Furthermore, estimates suggest annual labor and material savings resulting from the Purchase of this machine to be estimated at K250,000 alongside annual estimated maintenance costs of K30,000, with a require rate of return of 15%. a. Compute the net cash inflow or outflow resulting from this investment opportunity. b. Find the Net Present Value of this investment opportunity c. Should the University of Zambia purchase the specialized printing machine? d. Explain why the NPV method is attractive or preferred to the internal rate of return (IRR) method