An aging company's accounts receivable indicates $10,000 are estimated to be uncollectible. If allowance for doubtful accounts has a $1,100 credit balance, the adjustment to record bad debts for the period will require a : a. debit to bad debts expense for $10,000 b. debit to allowance for doubtful accounts for $8,900 c. debit to bad debts expense for $8,900 d. credit to allowance for doubtful accounts for $10,000