29. A liability created by the receipt of cash from customers in payment for products or services that have yet been delivered to the customers is: A. Recorded as a debit to an unearned revenue account. B. Recorded as a debit to a prepaid expense account C. Recorded as a credit to an unearned revenue account. D. Recorded as a credit to a prepaid expense account. E. Not recorded in the accounting records until the earnings process is complete