8. A lockbox system:

a) entails the use of a bank which is centrally located to collect payments on a nationwide basis.

b) is designed to deposit a customer's check into the firm's bank account prior to recording the receipt of that check to a customer's account.

c) is used to reduce the disbursement float of a firm.

d) automatically records payments to a customer's account when the customer's check is received at the lockbox location.

PLEASE HELP