Abank charges a monthly fee if the average monthly balance of your account is less than $5000. the table shows the balance of your account the first four months it is open. find the average monthly balance of your account after the fourth month. do you have to pay the fee after the fourth month? month 1 : $4801.50 month 2 : $5198.42 month 3 : $5254.36 month 4 : $4932.87