THINKING: 18. Sam's family has decided that they will start depositing $100 at the end of every month into a saving account for 3 years. The account will earn interest at 4.6%/a, compounded monthly. Then, one month after the last deposit, they plan to withdraw money from the same account at the end of every month for 60 equal payments for violin lessons for Sam. How much will each monthly withdrawal be? [5]