monwa/Downloads/Management%20Accounting%20Main%20OSA.pdf + Page view A Read aloud Add text V Draw Highlig 5.2 Use the information provided below to calculate the Internal Rate of Return (expressed to two decimal places) using interpolation. (5 marks) INFORMATION A machine with a purchase price of R1 200 000 is estimated to eliminate manual operations by R400 000 per year. The machine is expected to have a useful life of four years.