Which of the Following Is Not a Criterion Pertaining to the Revenue

Which of the following is not a criterion pertaining to the revenue realization principle?

A) The goods or services have been delivered.
B) The selling price is fixed or determinable.
C) Collection is reasonably assured.
D) The cash payment has been receiveD.Under accrual accounting, the revenue realization principle states that revenues are recognized when goods or services are delivered, there is persuasive evidence of an arrangement for customer payment, the price is fixed or determinable, and collection is reasonably assured.