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Question 4 7 pts Find the discount date and net payment date. (The net payment date is 20 days after the final discount date.) Invoice date: Aug 20 Terms: 6/21 EOM Discount date: Sept 21; net payment date: Oct 11 Discount date: Sept 19; net payment date: Oct 9 Discount date: Sept 20. net payment date: Oct 10 Discount date: Sept 21: net payment date: Oct 21