hello
to solve this problem, we should understand that deposits indicates a positive remark on the account and withdrawals indicates a negative remark on the account
at the beginning of the month, her account was $83.98
however, she made a series of withdrawals and it would reflect in her account as
she made two withdrawals which were $51.24 and $60.15 which made her account to become $-27.41
she also made some deposits of $55.34 and $31.17
her statement of account would now become
her statement of account is $59.1 at this point
she finally made a withdrawal of $98.34
her account would becomes
at the end of the moment, her account balance would become -$39.24