Please show all formulas and workings and avoid using Excel in calculating. Thank you.

B. The Ultimate Choice Limited (UCL) 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 UCL uses a required rate of return of 10% Compute the internal rate of return for both projects to determine which is worth of funding. (10 marks). Year 0 1 2 3 4 5 A -100,000 20,000 50,000 50,000 25,000 500,000 B -400,000 75,000 100,000 150,000 150,000 750,000 C. Prinstell 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 Prinstell uses a required rate of return of 10% and an inflation rate of 4%. Compute the payback in years and the net present value for both projects and offer advice as to the best course of action. (10 marks). Year A B 0 -$100,000 -$400,000 1 $20,000 $75,000 2 $50,000 $100,000 3 $50,000 $150,000 4 $25,000 $150,000 5 $500,000 $750,000