1) demand deposit account.
2) Computer software.
3) Saved for emergencies.
4) A job.
5) It's far more difficult to manage an account electronically.
6) Checks written after the statement closing date wouldn't appear on the statement.
7) When a check is drawn for more than the balance, the rest comes from a credit card account.
8) The account holder does not need to record the amount of the purchase in his or her check register.
9) All the above.
10) Easier.