An aging of a company's accounts receivable indicates that $10400 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $3080 credit balance, the adjustment to record bad debts for the period will require a

debit to Bad Debt Expense for $10400.

debit to Bad Debt Expense for $7320.

credit to Allowance for Doubtful Accounts for $10400.

debit to Allowance for Doubtful Accounts for $7320.