Monty Company sold 199 color laser copiers on July 10, 2020, for $3,930 apiece, together with a 1-year warranty. Maintenance on each copier during the warranty period is estimated to be $354. Prepare entries to record the sale of the copiers, the related warranty costs, and any accrual on December 31, 2020. Actual warranty costs (inventory) incurred in 2020 were $16,230. (If no entry is required, select "No Entry" for the account titles and enter O for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually.) Date Account Titles and Explanation Jul. 10, 2020 Cash Sales Revenue Sales Revenue During 2020 Warranty Expense Inventory Dec. 31, 2020 Warranty Expense Warranty Liability Debit Credit