13. Soahar Company publishes a monthly sports magazine, Fishing Preview. Subscriptions to the magazine cost $20 per year. During November 2012, Sergio sells 12,000 subscriptions beginning with the December issue. Sohar Company prepares financial statements quarterly and recognizes subscription revenue earned at the end of the quarter. The company uses the accounts Unearned Subscription Revenue and Subscription Revenue. Instructions: (a) Prepare the entry in November for the receipt of the subscriptions. (b) Prepare the adjusting entry at December 31, 2012, to record subscription revenue earned in December 2012.