Simp 1.1 1.2 Simple and Compound Interest 1.1 On the 1 st January 2019, Amoti and Dan invested in a school canteen business. They invested a total of R16 000 in the ratio of 5: 3 respectively . On the 31st December 2020 , Amoti and Dan shared a profit of R2 880 earned in the same ratio as their investments. For the same period Mary chose to invest R10 000 in ADC Bank that offered her an interest rate of 8,5% per annum compounded annually. Use the above information to answer the questions that follow. 1.1.1 Calculate the amount Dan invested in the school canteen business. (2) 1.1.2 Determine Dan's share of the profit on his investment after two years. (2) 1.1.3 Calculate the total interest Mary earned in 2 years, and compare it with Amoti's share of their profit, to verify who had the better investment. ​