A small business has a choice of investing 400,000 in one of two projects. The cash inflows from the two projects during the next 4 years are listed in the following table (a) By calculating the payback period, decide which, if either, of these projects is to be recommended. (b) Assuming the interest rate is 5% p.a. compounded annually, by calculating the net present values, decide which, if either, of these projects is to be recommended