TechnoGenius Ltd is evaluating a project with these forecasted details:

• Initial investment is R480,000 and the residual value is R30,000.

Year	Cashflows	Discount factor
Year 1	R100,000	0.909
Year 2	R110,000	0.826
Year 3	R140,000	0.751
Year 4	R85,000	0.683
Year 5	R65,000	0.621

The cost of capital is 11%. The cash flows are after tax, with annual depreciation of R20,000. The tax rate is 26%.

Required:

1. Calculate each of the following: 1.1 Accounting Rate of Return 1.2 Payback period 1.3 Net Present Value (NPV) 1.4 Internal Rate of Return (IRR)