Erin has a checking account. Her opening balance on 2/5 was $100. The bank charges a 25¢ fee for each debit card transaction and a 30¢ fee for each check. Erin made the following transactions:
Withdrew $20 cash from ATM on 2/7
Used debit card for $25 dinner on 2/9
Deposited $15 allowance on 2/10
Wrote $13 check to buy book on 2/16
What is Erin’s balance after the transaction on 2/16?