The records of Rami co. show the following data in June 30, 2020, During the month inventory on hand at June 30 was 110 units Date Explanation Unit Unit Total 1/6 Beginning 60 inventory Cost Cost OMR 5 10/6 Purchase 50 7 15/6 Purchase 50 8 25/6 Purchase 70 9 Using the Average Method of Inventory, the Cost of Goods Sold equal: Select one: O a. OMR 1077 O b. OMR 877 c. OMR 1277 Od. OMR 1177 e. OMR 977