Metropolis Books sold 51,400 copies of a best-selling novel in July for $11 each. Included in each book was a $7 mail-in rebate for a future book purchase if the customer sends in proof of purchase with a completed rebate form. Metropolis estimates that 15% of the purchasers will claim the rebate. Prepare the journal entry to record the sale and the unearned revenue Metropolis Books should record. (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 for the amounts.) Account Titles and Explanation Debit Credit (To record sales and unearned revenue related to the loyalty program