Mercury Company Established a Petty Cash Fund with a $600

Mercury Company established a petty cash fund with a $600 balance.Which of the following statements is incorrect?

A) A journal entry is needed to debit the Cash account and credit the Petty Cash account for $600.
B) There is no net effect on current assets.
C) The sum of the cash plus the total of the petty cash tickets should equal $600 at all times.
D) The petty cash custodian cashes a check for $600 and places the currency in the petty cash fund box.