Your Father Helped You Start Saving $20 a Month Beginning

Your father helped you start saving $20 a month beginning on your 5^th birthday.He always made you deposit the money into your savings account on the first day of each month just to "start the month out right." Today completes your 17^th year of saving and you now have $6,528.91 in this account.What is the rate of return on your savings?

A) 5.15 percent
B) 5.30 percent
C) 5.47 percent
D) 5.98 percent
E) 6.12 percent