An aging of a company's accounts receivable indicates that the estimate of uncollectible accounts totals $4,478. If Allowance for Doubtful Accounts has a $839 debit balance, the adjustment to record the bad debt expense for the period will require a a. debit to Allowance for Doubtful Accounts for $4,478. b. debit to Allowance for Doubtful Accounts for $5,317. c. credit to Allowance for Doubtful for $4,478. d. debit to Bad Debt Expense for $5,317