An aging of a company's accounts receivable indicates the estimate of uncollectible receivables totals $7,900. If Allowance for Doubtful Accounts has a $700 credit balance, the adjustment to record the bad debt expense for the period will require a Oa. debit to Bad Debt Expense for $7,200 Ob. debit to Bad Debt Expense for $3,600 Oc. credit to Allowance for Doubtful Accounts for $700 Od. debit to Bad Debe Expense the $7,900