a. Use the appropriate formula to determine the periodic deposit. b. How much of the financial goal comes from deposits and how much comes from interest? Periodic Deposit Rate Time $? at the end of every three months 5.5% compounded quarterly 6 years Financial Goal $15,000 Click the icon to view some finance formulas. a. The periodic deposit is $ . (Do not round until the final answer. Then round up to the nearest dollar as needed.)