a Kim deposits $1,000 in a savings account; 4 years after the deposit, half of the account balance is withdrawn. $2,000 is deposited annually for an 8-year period, with the first deposit occurring 2 years after the withdrawal. The total balance is withdrawn 15 years after the initial deposit. If the account earned interest of 8% compounded annually over the 15-year period, how much was withdrawn at each withdrawal point