Kingbird Books sold 50,100 copies of a best-selling novel in July for $9 each. Included in each book was a $3 mail-in rebate for a future book purchase if the customer sends in proof of purchase with a completed rebate form. Kingbird estimates that 11% of the purchasers will claim the rebate. (a) X Your answer is incorrect. Calculate the sales revenue and the unearned revenue related to the loyalty program that Kingbird earned in July on this book. (Round answers to 0 decimal places, e.g. 5,276. Do not round intermediate calculations.) Earned revenue Unearned revenue $ eTextbook and Media