A. Marcia is planning to buy a car in five years time. She estimates that the car would cost $2,500,000.000. Given that the existing interest rate is 12 %, how much money should she invest now? (5 marks)

B. Marcia has an option to invest in an insurance policy at a rate of 20 % to achieve her goal of purchasing the car for $ 2,500,000. How much should she invest at the beginning of each year for the next 5 years in order to achieve her goal? (5 marks)

C. If the interest rate decreases from 20% to 15%, by how much would Marcias annual investment in part B. change?