on the day this baby was born, a father decided to establish a savings account for the child's college education. any money that is put into the account will earn an intrest rate 8%, compounded annually. he will make a series of annual deposits in equal amount on each of his child's birthday from the first through the child's 18th, so that that his child can make four annual withdrawals from the account in the amount of $20,000 on each of his birthdays. assuming that the first withdrawal will be made on the child's 18th birthday, which of the following statements are correct to calculate the required annual deposit? A) A=($20,000*4)/18 B) A=$20,000(F/A,8%,4) *(P/F,8%,21)(A/P,8%,18) C) A=$20000(P/A,8%,8)+(F/P,8%,21)(A/F,8%,4) D) A=[$20000(P/A,8%,3)+$20000](A/F,8%,18) E) A=$20000[(P/F,8%,18)+(P/F,8%,19)+(P/F,8%,20)+(p/f,8%,21)](A/P,8%,18)