An aging of a company's accounts receivable indicates that $4980 are estimated to be uncollectible (obviously this is using the accounts receivable method). If Allowance for Doubtful Accounts has a $930 credit balance, the adjustment to record bad debts for the period will require a debit to bad debt expense for $4 , 050 debit to allowance for doubtful accounts for $4 , 050 credit to allowance for doubtful accounts for $4 , 980 debit to bad debt expense for $4 , 980