Heller Corporation has aged its accounts receivable and estimated uncollectible accounts as follows (in thousands). Age of Receivables A/R Balance Estimated % uncollectible Current $11,000 1% 30-60 days past due $2,400 3% 61-90 days past due $1,700 6% Over 90 days past due $840 10% What bad debt expense should the company report for the current period?