Flores Company publishes a monthly sports magazine, Hunting Preview. Subscriptions to the magazine cost \$25 per year, During October 2020 . Flores sells 30,000 subscriptions beginning with the November issue. Flores prepares financial statements quarterly and recognizes subscription revenue earned at the end of the quarter. The company uses the accounts Unearned Subscription Revenue and Substription Revenue. Prepare the entry in October for the receipt of the subscriptions. (Credit account tities are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select " No Entry" for the account titles and enter 0 for the amounts.) Prepare the adjusting entry at December 31, 2020, to record subscription revenue earned in December 2020. (Credit account tities are automatically indented when the 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.) are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) Prepare the adjusting entry at March 31, 2021, to record subscription revenue earned in the first quarter of 2021. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter Ofor the amounts.)