On August 21 wrote off Amy Ward account as uncollectible for $800. We debited allowance for doubtful accounts 800 and credited accounts receivable 800. On October 5 unexpectedly received $250 from Ward. The first related entry on October 5 is Select one: a. debit bad debt expense 16,500; credit accounts receivable 16,500 b. debit accounts receivable 250; credit allowance for doubtful accounts 250 c. debit bad debt expense 16,500; credit allowance for doubtful accounts 16,500 d. debit allowance for doubtful accounts 250; credit accounts receivable 250