On January 1, 2020, Oriole Ltd. sold on account 1,400 units of its product for a total price of $567,000 with a warranty guarantee that the products were free of any defects. The products have a one-year assurance-type warranty and Oriole estimates that the cost will be $23,800. The cost of the units is $473,000. In addition, the company sold extended warranties related to 600 units for a one-year period beyond the one-year assurance period at a cost of $16,500. By the company's year-end, December 31, 2020, no warranty costs were incurred. By the company's year-end, December 31, 2021, $9,345 of warranty costs were incurred and paid in cash. Prepare the appropriate journal entries for 2020 and 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 O for the amounts.) (To record the cost of goods sold) December 31/20 - Warranty Liability 23,800 Warranty Expense 23,800 (To close out unused warranty) December 31/21 Unearned Revenue 16,500 Sales Revenue 16,500 Warranty Revenue 9,345 Cash 9,345 (To record warranty costs)