3b. You would like to accumulate BD 75,000 in 8 years by making a single investment today. You believe you can achieve a return from your investment of 8%. What is the amount that you need to invest today to achieve your goal? (5 marks) 3. How long does it takes for BD 16,000 to double itself given the annual rate of interest on an investment is 8.9%. Use the rule of 72 for calculation