The following data represent the beginning inventory and, in order of occurrence, the purchases and sales of Purr-A-Lot, Inc. for an operating period. Units Unit Cost Total Cost Units Sold Beginning Inventory 50 $124 $6,200 Sale No. 1 40 Purchase No. 1 30 100 3,000 Sale No. 2 32 Purchase No. 2 40 88 3,520 __ Totals 120 $12,720 72 Assuming Purr-A-Lot, Inc. uses LIFO perpetual inventory procedures, the ending inventory cost is: Select one:

A. $4,512 B. $4,224 C. $5,952 D. $4,320