An aging of a company's accounts receivable indicates the estimate of uncollectible receivables totals $4,418. If Allowance for Doubtful Accounts has a $1,350 credit balance, the adjustment to record the bad debt expense for the period will require a Oa. debit to Bad Debt Expense for $4,418 Ob. debit to Bad Debt Expense for $1,350. Oc. debit to Bad Debt Expense for $3,068 Od. credit to Allowance for Doubtful Accounts for $4,418