an aging of a company's accounts receivable indicates that $4,000 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $1,200 debit balance, the adjustment to record bad debts for the period will require a a. debit to Bad Debit Expense for $5,200 b. debit to Bad Debits Expense for $4,000 c. debit to Bad Debits Expense for $2,800 d. credit to Allowance for Doubtful Accounts for $5,000