Grace company uses the periodic inventory system. The company's beginning inventory and inventory purchases during March 2020 were as below: Mar 01: Beginning inventory, 80 units @ $12 per unit. Mar 9: Inventory purchased, 85 units @ $15 per unit. Mar 22: Inventory purchased, 95 units @ $20 per unit. During March Grace company sold 130 units. Calculate cost of goods sold and ending inventory for March 2020 using both the Weighted Average cost and First in, first out (FIFO) method. Write the journal entries for Mar 9 inventory purchase and sale of the 90 units from beginning inventory at @ $26. Both purchase and sale on account