Refer to the planned diversification for 2024 and calculate the following: 4.1 Payback Period (expressed in years, months and days) (3 marks) 4.2 Accounting Rate of Return on initial investment (expressed to two decimal places) (5 marks) 4.3 Net Present Value (6 marks) 4.4 Internal Rate of Return using interpolation (expressed to two decimal places). (6 marks) 4.5 Internal Rate of Return using interpolation (expressed to two decimal places) if there were no import duties and no salvage value.