The following items appear on a bank reconciliation:
1. - Service charge
2. - Book error: We debited Cash for $100. The correct debit was $1,000.
3. - NSF check
4. - Bank collection of a note receivable on our behalf
5. - Deposits in transit
6. - Bank error: The bank credited our account for a deposit made by another bank customer.
7. - Outstanding checks
Classify each item as (a) an addition to the bank balance, (b) a subtraction from the bank balance, (c) an addition to the book balance, or (d) a subtraction from the book balance.