Which one of the following statements is true?

a. Good cash management practices dictate that a company should maintain as large a balance as possible in its cash account.

b. Sound internal control practice dictates that cash disbursements should be made by check, unless the disbursement is very small.

c. The person handling the cash should also prepare the bank reconciliation.

d. Petty cash can be substituted for a checking account to expedite the payment of all disbursements.