Concord Communications publishes a monthly sports magazine, Walkabout Preview. Subscriptions to the magazine cost 20 per year. During November 2020, Concord sells 16,500 subscriptions beginning with the December issue. Concord prepares financial statements quarterly and recognizes subscription revenue at the end of the quarter. The company uses the accounts Unearned Subscription Revenue and Subscription Revenue. Prepare the entry in November for the receipt of the subscriptions. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Date Account Titles and Explanation Nov. 30 Debit Credit Prepare the adjusting entry at December 31, 2020, to record sales revenue recognized in December 2020. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Date Account Titles and Explanation Dec. 31 Debit Credit Prepare the adjusting entry at March 31, 2021, to record sales revenue recognized in the first quarter of 2021. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Date Account Titles and Explanation Debit Credit Mar 31