In December 2020, Pioneer Coffee received coffee subscriptions for 2021 from customers, who paid $800 in cash. What would be the appropriate journal entry for this event in December 2020? Debit Subscription Revenue, $800; credit Cash, $800. Debit Cash, $800; credit Deferred Revenue, $800. O Debit Cash, $800; credit Subscription Revenue, $800, No journal entry is necessary