At the beginning ofthe current period, O'Reilly's carn'ed 1,000 units ofits product with a unit cost of $15. A summary of purchases during the current period follows. Dun'ng the period, O'Reiy's sold 2,800 units. Units Unit Cost Cost Beginning Inventory 1,000 $ 15 $ 15,000 Purchase #1 1,800 14 25,200 Purchase #2 800 15 12,800 Purchase #3 1,200 19 22,800 [a1 Assume that G'Reilly's uses the rst-in, rst-out method. Compute both cost of good, sold for the current period and the ending inventory balance. Show all calculations and impact to balance sheet and income statement accounts. Cost of Goods Sold: Enring Inventory Balance: [b1 Assume that D'Reilly's uses the lastin. rstout method. Compute both cost of mad, sold for the current period and the ending inventory balance. Show all calculations. Cost of Goods Sold: Enring Inventory Balance: [c1 Assume that O'Reilly's uses the average cost method. Compute both cost of my, sold for the current period and the ending inventory balance. Show all calculations. Cost of Goods Sold: Endng Inventory Balance: AutoZone Cl'ReiIlyr Average 2015 Inventory $3,310,865 $2,622,899 2015 Sales 10,420,871 8,200,005 2015 Cost of goods sold 4,860,309 3,804,031 Average 2014 Inventory $3,030,554 $2,494,915 2014 Sales 9,708,644 7,449,412 2014 Cost of goods sold 4,540,406 3,507,180 {LE1 Use the information above to compute the companies' gross prot margin and days inventory outstanding for both years. Show all calculations