While conducting the year-end inventory in December 2021, it was discovered that $6,000 of product was omitted from the December 2020 inventory count. The product had been shipped to a customer early in 2021, but had not been included in the 2020 ending inventory. (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 0 for the amounts.) Account Titles and Explanation | Debit | Credit | | | | | | | One of Monty customers paid $17,200 to Monty in December 2020. This amount was included in Monty revenue for 2020. However, the product was not actually shipped to the customer until 2021. Assume a periodic inventory system is being used. (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 0 for the amounts.) Account Titles and Explanation | Debit | Credit | | | | | | | During 2020, $6,900 had been paid for ordinary repairs and maintenance on some of Monty equipment. However, the amount was added to the Equipment account when it was paid, and depreciation (straight-line over 10 years) had been recorded accordingly at the end of 2020. (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 0 for the amounts.) Account Titles and Explanation | Debit | Credit | | | | | | | (To record correction of prior year error for repairs and maintenance.) | | | | | | | | | (To record correction of prior year error for depreciation recorded.) | | |