Retail Ltd. has the following data for inventory, purchases, and sales of merchandise for December for one of the items the company sells: (10 marks) Activity Beginning inventory Purchase Price (per unit) Sale Price (per unit) Units 10 $6.00 6.80 Purchase 1, Dec. 2 Sale 1, Dec.7 Purchase 3, Dec. 12 Sale 3, Dec. 14 $12.00 19 12 20 8.00 $12.00 Retail Ltd. uses a perpetual inventory system. All purchases and sales were for cash. Required: Compute Cost of Goods Sold (S and # of units) and the cost of Ending Inventory includin how many units remain using the FIFO method as of December 31. Show your work ina clear and concise manner for part marks. nits Cost of Goods Sold Ending Inventory