assume simple company had credit sales of $246,000 and cost of goods sold of $146,000 for the period. simple uses the percentage of credit sales method and estimates that 1 percent of credit sales would result in uncollectible accounts. before the end-of-period adjustment is made, the allowance for doubtful accounts has a credit balance of $210. required: what amount of bad debt expense would the company record as an end-of-period adjustment?