Answer:
Dec.31           Bad Debts Expense    27000
December 31    Balance Sheet Accounts Receivable             392400
Explanation:
Harris Company
Credit Sales for the current year $2700,000
Credit Losses = 1% of $ 2700,000= $ 27000
Add Allowance for Doubtful Accounts $ 30600 Cr
Required Adjustments          $ 57,600 Cr
General Journal
Date                     Description            Debit                Credit
Dec.31           Bad Debts Expense    27000
                          Allowance for Doubtful Accounts   27000
December 31 Balance Sheet.
                        Accounts Receivable      $450,000        
Less: Allowance for Doubtful Accounts $57,600 ( 27000+ 30,600)
                       Accounts Receivable             392400