(L03) Wilton, Inc. had net sales in 2017 of $1,400,000. At December 31, 2017, before adjusting entries, the balances in selected accounts were Accounts Receivable $250,000 debit, and Allowance for Doubtful Accounts $2,400 credit. If Wilton estimates that 8% of its receivables will prove to be uncollectible, prepare the December 31, 2017, journal entry to record bad debt expense.