During 2018, a company sells 21 units of inventory, The company has the following inventory purchase transactions for 2018: NumberUnit of UnitsCost $57 59 Date Jan. 1 Sep. 8 Total Cost S 855 Tra Beginning inventory Purchase 15 15 885 $1,740 Calculate ending inventory and cost of goods sold for 2018 assuming the company uses FIFO with a periodic inventory system Cost of goods sold