On July 10, 2020, Shamrock Music sold CDs to retailers on account and recorded sales revenue of $676,000 (cost $520,520). Shamrock grants the right to return CDs that do not sell in 3 months following delivery. Past experience indicates that the normal return rate is 15%. By October 11, 2020, retailers returned CDs to Shamrock and were granted credit of $84,800. Prepare Shamrock's journal entries to record (a) the sale on July 10, 2020, and (b) $84,800 of returns on October 11, 2020, and on October 31, 2020. Assume that Shamrock prepares financial statement on October 31, 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) No. Date Account Titles and Explanation (a) (To record sales) (b) (To record cost of goods sold) (To record sales returns) (To record cost of goods returned) Debit Credit