For the month of December, the records of Balin Corporation show the following information: Cash received on accounts receivable .................. $ 70,000 Cash sales ............................................ 100,000 Accounts Receivable, December 1 ....................... 160,000 Accounts Receivable, December 31 ...................... 148,000 Accounts Receivable written off as uncollectible ...... 2,000 The corporation uses the direct write-off method in accounting for uncollectible accounts receivable. How much is the amount of credit sales for the month of December?