The following accounts were taken from Pharoah Inc.s trial balance at December 31, 2020. Debit Credit Net credit sales $750,000 Allowance for doubtful accounts $ 4,000 Accounts receivable 310,000 If doubtful accounts are 3% of accounts receivable, what is the bad debt expense to be reported for 2020? a. 9,300 b. 13,300 c. 5,300 d. 22,500