Apple Inc. is the number one online music retailer through its iTunes music store. Apple sells iTunes gift cards in $15, $25, and $50 increments. Assume Apple sells $20.0 million in iTunes gift cards in November, and customers redeem $13.0 million of the gift cards in December. 3. What is the ending balance in the Deferred Revenue account? (Enter your answer in dollars, not in millions. (i.e. 5.5 should be entered as 5,500,000).) Ending balance