please assist with the solutions to this problem with clear explanations.

Question 2 30 Marks You recently accepted an assignment with Oxford Limited as a financial consultant. One of your first assignments is the analysis of two proposed capital investment projects. Details of initial investments, after-tax cash flows and average annual profits are represented below: Year Initial investments Cash flows After-tax Cash flows Project A (R50 000) R26 200 R12 200 R12 200 R5 000 R1 400 2 3 4 Project B (R50 000) R14 200 R14 200 R14 200 R14 200 R1 700 Average annual profits 2.1. Which project has a shorter payback period? Motivate your answer by doing the relevant calculations (answers expressed in years, months, and days). 20 Marks 2.2. Calculate the accounting rate of return for project B if it had a scrap value of R4 000 at the end of year 4 (answer expressed to two decimal places). 8 Marks 2.3. Name two disadvantages of using "payback period" as a technique to evaluate capital investment decisions. 2 Marks Page 2