Answer the following question in one sentence:
State the meaning of Imprest System of Petty Cash Book.
By estimating the amount for petty expenses, the petty cashier is given some amount at the beginning of period. At the end of the period, after checking the account, the petty cashier is once again given an amount equal to the expenses to start with a new period. This system is known as the Imprest System of Petty Cash Book.