An invoice in the amount of OR600.00 for merchandise purchased is shown with a 1/10, 1/30 discount. To get the discount, the amount to pay on or before the tenth day is Select one O a OR552 50 ob OR576.00 O COR600.00 Od OR540.25 An voice in the amount of OR500.00 for merchandise purchased is shown with a 10 30 anscount ce the count the mercun to pay on or before the tenth day Select one O a OR552.60 OD OR576.00 COR600.00 Od OR560.25