Answer all with working please

Inatech is contemplating two different projects and decides to perform a financial analysis to determine which is more financially lucrative. Project A and B have the cash flows as shown and Inatech uses a required rate of return of 10% and an inflation rate of 4%. Compute the (non-discount) payback in years and the net present value for both projects and offer advice as to the best course of action. (4 marks) Inatech is contemplating to undertake Project B and perform a financial analysis to determine whether it is financially lucrative. Project B have the cash flows as shown below and Inatech uses a required rate of return of 20%. Compute the internal rate of return for the project to determine whether it is worth undertaking. (3 marks) A project manager is using the payback method to make the final decision on which project to undertake. What is the non-discounted payback of a project that has cash flows as shown in the table? Make calculations to 3 decimal points. The answer should be given with three decimal points. The Payback period is years. What is the rate of return