How much should William have in a savings account that is earning 2.50% compounded semi-annually, if he plans to withdraw $1,700 from this account at the end of every six months for 8 years? Thomas saved $70 at the end of every month for 3 years in his bank account that earned 4.40% compounded monthly. a. What is the accumulated value of his savings at the end of the period? O $2,609.06 O $2,688.63 O $40,790.88