Chelsea looked over her previous bank statements from her old bank. She noticed that, on average, she used a third-party ATM three times a month and the third-party ATM charged an average of $2.50 per transaction. Assuming that she will continue using a third-party ATM with the same frequency, how much should she expect to be charged each month in ATM fees and monthly fees if she uses bank A?
Bank A:
Atm fee: None
Monthly banking fee: $5​