The following information relates to a companys accounts receivable: gross accounts receivable balance at the beginning of the year, $500,000; allowance for uncollectible accounts at the beginning of the year, $39,000 (credit balance); credit sales during the year, $1,950,000; accounts receivable written off during the year, $30,000; cash collections from customers, $2,100,000. Assuming the company estimates bad debts at an amount equal to 2% of credit sales. Calculate bad debt expense for the year. Calculate the year-end balance in the allowance for uncollectible accounts.