Derek established his own retirement account 10 years ago. he has discovered that he can obtain a better rate for the next 10 years at 12 percent interest compounded semiannually. consequently, derek established a new ordinary annuity account (beginning amount $0.00) and he will contribute $7,000.00 semiannually into the account for the next 10 years. what will be the value of this account at the end of the 10-year period? $83,652.59 $244,707.61 $257,502.00 $264,501.86