yourar 11 Compound interest earned (harder) [LO 1) Frank has invested $10000 for 10 years at 12.4 per cent per annum. He has to pay tax on the interest income each year. a) Calculate the value of the investment at the end of the tenth year if his tax rate is: i) 45 per cent per annum ii) 30 per cent per annum iii) 15 per cent per annum iv) zero per annum. b) Rework your answer to (a)() if, instead of having to pay tax each year, Frank must pay in tax 45 per cent of the accumulated interest at the end of the tenth year. Which tax system is better for himWhy? 12 Compound interest earned (LO 1) Philip invests $17200 at an interest rate of 2.5 per cent per quarter. How much is the investment worth after 2 years? 13 Compound interest earned (LO 11 Rhiannyn invests $25000 at an interest rate of 0.6 per cent per month. How much is the investment worth after 3 years