Perpetual Inventory Using LIFOBeginning inventory, purchases, and sales data for prepaid cell phones for May are as follows:Inventory Purchases Sales May 1 1,550 units at $44 May 10 720 units at $45 May 12 1,200 units May 20 1,200 units at $48 May 14 830 units May 31 1,000 unitsAssuming 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 5. 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.

Date                                      Purchases                    Sales        

May 1                                1,550 units at $44

May 10                                720 units at $45

May 12                                                                    1,200 units

COGS                                                                  (720 x $45 = $32,400)

COGS                                                                  (480 x $44 = $21,120)

TOTAL COGS FOR MAY 12 SALE                       = $53,520

Inventory after sale        1,070 units at $44

May 20                             1,200 units at $48

May 14                                                                      830 units

COGS                                                                  (830 x $48 = $39,840)

TOTAL COGS FOR MAY 14 SALE                       = $39,840

Inventory after sale         1,070 units at $44

                                          370 units at $48

May 31                                                                    1,000 units

COGS                                                                  (370 x $48 = $17,760)

COGS                                                                  (630 x $44 = $27,720)

TOTAL COGS FOR MAY 12 SALE                       = $45,480

Inventory after sale        440 units at $44

Under LIFO (last in, first out), the cost of goods sold is determined using the price of the last units purchased, which means that the most recent (or updated) price is used to calculate COGS.