An aging of a company's accounts receivable indicates that $4,000 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $1,600 debit balance, the adjustment to record bad debts for the period will require a

Select one:

a. debit to Bad Debt Expense for $5,600.

b. credit to Allowance for Doubtful Accounts for $5,000.

c. debit to Bad Debts Expense for $4,000.

d. debit to Bad Debts Expense for $2,400.