E11-4 Sergio Company publishes a monthly sports magazine, Fishing Preview. Subscriptions to the magazine cost $20 per year. During November 2012, Sergio sells 12,000 subscriptions be- ginning with the December issue. Sergio 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 sales revenue earned in December 2012 (c) Prepare the adjusting entry at March 31, 2013, to record sales revenue earned in the first quarter of 2013