Kindly answer it with proper understanding and working

A company is thinking in investing in one of two potential new products for sale. The projections are as follows: Year Revenue/cost (Product A) Revenue/cost (Product B) 0 (3,000,000) outlay (3,000,000) outlay 1 480,000 240,000 2 480,000 506,660 3 880,000 1,040,000 4 1,680,000 1,266,660 a) Calculate the payback period for both products in years & months (2 marks) b) Calculate NPV of both products assuming a discount rate of 6%. (6 marks) c) Which product should be chosen and why? (2 marks) d) Calculate the IRR for Product A only using 2% and 17% to 2 d.p. (4 marks) e) Outline the advantages and disadvantages of the NPV and payback. (6 marks)