Beginning inventory, purchases, and sales data for prepaid cell phones for December are as follows: Inventory Purchases Sales Dec. 1 3,600 units at $38 Dec. 10 1,800 units at $40 Dec. 12 2,520 units Dec. 20 1,620 units at $42 Dec, 14 2,160 units Dec. 31 1,080 units a. Assuming that the perpetual inventory system is used, costing by the LIFO method, determine the cost of goods sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4. Under UFO, If units are in Inventory at two different costs, enter the units with the HIGHER unit cost first in the cost of Goods Sold Unit Cost column and LOWER unit cost first in the Inventory Unit Cost column. Schedule of Cost of Goods Sold LIFO Method Prepaid Cell Phones Cost of Cost of Quantity Purchases Purchases Quantity Goods Sold Goods Sold Inventory Inventory Inventory Purchased Unit Cost Total Cost Sold Unit Cost Total Cost Quantity Unit Cost Total Cost Date Dec. 1 Dec. 10 Dec 12 Dec-14 ter 20 VIDE Pantem Schedule of Cost of Goods Sold LIFO Method Prepaid Cell Phones Cost of Cost of Quantity Purchases Purchases Quantity Goods Sold Goods Sold Inventory Inventory Inventory Purchased Unit Cost Total Cost Sold Unit Cost Total Cost Quantity Unit Cost Total Cost Date Dec. 1 Dec. 10 Dec. 12 Dec. 14 D Dec. 20 G 10 (1 1111 1111 0011 Dec. 31 Dec. 31 Balances Feedback Check My Work