3. Patty has a checking account at a local bank.
The monthly checking fee is $10, including any
checks she writes. Nonbank ATM withdrawals cost
$2. At the beginning of the month, Patty’s
checking account balance is $700. She deposited
$300 from her job and withdrew $20 in cash from a
nonbank ATM. She wrote a check for $100 to a
local charity. What is her checking account balance
at the end of the month?
A $958 C $728
B $868 D $658
Patty's starting balance: $700
Deposit from job: +$300
Nonbank ATM withdrawal fee: -$2
Charity check: -$100
Monthly checking fee: -$10
Total: $888
Therefore, her checking account balance at the end of the month is $888. Answer: \boxed{B}.