Table 15.6 A breakdown of Teffan, Inc.'s outstanding accounts receivable dated June 30, 2021 on the basis of the month in which the credit sale was initially made follows. The firm extends 30-day credit terms. Month of Credit Sale Accounts Receivable June, 2021 $410,000 May, 2021 340,000 April, 2021 270,000 March, 2021 200,000 O A. overzealous collection efforts OB. poor credit management OC. satisfactory credit management OD. superior credit management