35. For the year ended December 31, 2020, Ferguson Corp. estimated its allowance for doubtful accounts using the year-end aging of accounts receivable. Additional information for calendar 2020 follows: Allowance for doubtful accounts, beginning. $74,000 Estimated uncollectible accounts during 2020 (1% of credit sales of $8,000,000) ......... 80,000 Uncollectible accounts written off during year............... 104,000 Estimated uncollectible accounts per year-end aging... 148,000 For the year ended December 31, 2020, Ferguson's bad debt expense should be a) $74,000. b) $104,000. c) $178,000. d) $252,000