a. You currently owe$4,245.00of your credit card that charges an annual interest rate of17.26% . You make$103.00of new charges every month and make a payment of$235.00every month.What will your credit card balance be in three months?

b. You would like to retire in21.0years.The expected rate of inflation is2.11%per year.You currently have a standard of living that requires$9,617.00of monthly expenses.Assuming you want to maintain the Same standard of living in retirement, what are your monthly expenses expected to be the first year of retirement?