A savings account book in which the teller records the balance, deposits, withdrawals, and interest.
Principal -
The original sum of money owed or invested.
Profit -
The money you've earned after you subtract
a) any money you had to spend to make the product or perform the service.
b) any taxes that had to be paid on your earnings
Personal Identification Number- (PIN) -
A secret number a customer uses to access his or her bank account or ATM.