30. The balance of accounts receivable is $75,000. Prior to adjustment, the allowance for uncollectible accounts has a credit balance of $7,200. Income statement approach is used to estimate expected uncollectible accounts. Net credit sales for the year were $280,000 and cas sales were $168,000. Historical data indicates that approximately 3% of net credit sales are uncollectible What is the amount of uncollectible expense that should be reported for the period? DS (3 Points) $5,040 $13,440 $1,200 $8,400