Smithson Corporation's unadjusted trial balance includes the following balances (assume normal balances, i.e., debit for A/R and credil for Aliowance): Smithson determines that the alllowance should be 6% of accounts recenvables. What amount of bad debt expense must the company record? a. 545,840 b. 544,565 cos36,418 d. 567,140