Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales data for prepaid cell phones for May are as follows: Inventory Purchases Sales May 1 1,900 units at $22 May 10 950 units at $24 May 12 1,330 units 20 855 units at $26 1,140 units 31 570 units a. Assuming that the perpetual inventory system is used, costing by the LIFO method, determine the cost of merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4. Under LIFO, if units are in inventory at two different costs, enter the units with the HIGHER unit cost first in the cost of Merchandise Sold Unit Cost column and LOWER unit cost first in the Inventory Unit Cost column Schedule of Cost of Merchandise Sold LIFO Method Prepaid Cell Phones Cost of Cost of Merchandise Merchandise Sold Sold Unit Cost Total Cost Quantity Purchased Purchases Purchases Quantity Unit Cost Total Cost Sold Inventory Inventory Inventory Quantity Unit Cost Total Cost Date May 1 May 10 May 12 LIFO Method Prepaid Cell Phones Cost of Cost of Merchandise Merchandise Sold Sold Unit Cost Total Cost Purchases Purchases Quantity Unit Cost Total Cost Sold Quantity Purchased Date Inventory Inventory Inventory Quantity Unit Cost Total Cost May 1 May 10 May 12 88 May 14 May 20 o a ml May 31 May 31 Balances b. Based upon the preceding data, would you expect the inventory to be higher or lower using the first in, first-out method