From the following facts calculate what Eva Main paid Jade Co. for the purchase of a dining room set. Sale terms are 4​/10, ​n/30 Sales ticket price before​ tax, $ 12 comma 000​, dated April 5. b. Sales​ tax, 10​%. c. Returned one defective chair for credit of $ 500 on April 8. d. Paid bill on April 13.