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? P 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.) b. \$ of the $220,000 comes from deposits and $ comes from interest. (Use the answer from part (a) to find these answers. Round to the nearest dollar as needed.) In the provided formulas, P is the deposit made at the end of each compounding period, r is the annual interest rate of the annuity in decimal form, n is the number of compounding periods per year, and A is the value of the annuity after t years. A=rP[(1+r)t1]A=(nr)n]P[(1+nr)nt1]P=[(1+nr)nt1]A(nr)