P[1-1-1] A= or T possible the age of 30, to save for retirement, you decide to deposit $50 at the end of each month in an IRA at pays 3.5% compounded monthly. Use the following formula to determine how much you will have in the IRA when you retire at age 65. in the IRA when you retire. a. You will have approximately $ (Do not round until the final answer. Then round to the nearest dollar as needed.) b. The interest is approximately $ (Use the answer from part a to find this answer. Round to the nearest dollar as needed.) A=- b. Find the interest.