please do both questions

68. 69. Jeremiah has a long-term savings plan. For 10 years, he has been investing $150 a month, earning 4.25% interest compounded monthly. How much more would he have saved if he had chosen to make deposits of $200 a month? When using the financial calculator, be sure to indicate what you have entered for each parameter, to receive full marks. (5 marks) Darren is 30 and is debating whether he should start investing $100 a month now for retirement at 60 or if he should wait until he is more established at 40 and invest $200 a month then. If the investment earns approximately 10% p.a. compounded monthly, what would you recommend for saving the largest amount? Provide supporting evidence for your decision and indicate the values for any parameters used in financial calculator calculations. (7 marks)