Ivanhoe, Inc. had net sales in 2020 of $1,482,700. At December 31, 2020, before adjusting entries, the balances in selected accounts were Accounts Receivable $328,300 debit, and Allowance for Doubtful Accounts $3,420 debit. Assume that 9% of accounts receivable will prove to be uncollectible. Prepare the entry to record bad debt expense