30. Winchester Corp ("WinCorp") is an online magazine subscription company. In particular, it collects revenue at the beginning of each month, for a subscription that begins only when the account is paid for the month in full. Therefore, since WinCorp collects cash in this way, for selling online subscriptions, this scenario is an example of:

(a) an accrued liability transaction;

(b) an accrued receivable transaction;

(c) a prepaid expense transaction;

(d) a deferred revenue transaction; or

(e) a deferral of recognition of common stock.