Accounting for Doubtful Accounts Rankine Company estimates its bad debts expense by aging its accounts receivable and applying percentages to various age groups of the accounts. Rankine calculated a total of $20,800 in p credit losses as of December 31. Accounts Receivable has a balance of $665,600, and the Allowance for Doubtful Accounts has a credit balance of $2,600 before adjustment at December 31 . What is the December 31 adjusting entry to provide for credit losses