The required rate of return for these projects is 10%. The following is the estimated annual cash flow for the first 6 years. Project A Project B Initial outflow Year 1 2 3 4 5 6 (160,000) Cash inflows 40,000 30,000 40,000 35,000 40,000 35,000 40,000 30,000 40,000 40,000 40,000 51,000 Based on the above information, you are required to make an analysis for the decision on capital budgeting based on these techniques: (a) Payback period (b) Net present value (c) Profitability index