Sophie saved $200 at the end of every month for 8 years in her bank account that earned 5.20% compounded monthly. a. What is the accumulated value of her savings at the end of the period? O $23,445.67 $23,747.27 O $115,753.36 $4,547.27 b. What is the interest earned over the period? $4,347.27 O $23,747.27 $4,747.27 O $4,547.27