The company estimates that its cost of capital is 14%. Calculate the payback period for Machine A and B (answers must be expressed in years, months and days). 2.1 (5 marks) Calculate the accounting rate of return (on average investment) for Machine A. (answer rounded off to 2 decimal places). 2.2 (4 marks) 2.3 Calculate the net present value of each machine (round off amounts to the nearest Rand). (6 marks) 2.4 Calculate the internal rate of return for Machine B. (5 marks) Machine A Mechine B Initial cost R100 000 R110 000 Expected economic life 5 years 5 years Expected disposal/residual value R10 000 Expected net cash inflows R R. End of: Year 1 34 000 33 000 Year 2 27 000 33 000 Year 3 32 000 33 000 Year 4 30 000 33 000 Year 5 26 000 33 000 Depreciation per year 18 000 22 000