a) You want to retire with $2,500,000 in 30 years. You feel investment rates over the 30 years will be 7%. What annual payment will you need to invest each year to meet your target? (4 marks) b) You currently have $1,000,000 and want to invest it so that it will be $3,000,000 in the future. Assuming an investment rate of 8%, how many years will it take to accomplish your goals (6 marks). Note you can approximate your answer. Please show the formulas that you are using and calculations