On December 31 of the current year, a company's unadjusted trial balance included the following: Accounts Receivable, debit balance of $97,250; Allowance for Doubtful Accounts, credit balance of $951. What amount should be debited to Bad Debts Expense, assuming 6% of outstanding accounts receivable at the end of the current year will be uncollectible?
a. $ 951.
b. $3,992.
c. $4,884.
d. $5,835.
e. $6,786.