The following data represent the beginning inventory and, in order of occurrence, the purchases and sales of Blunt, Inc, for an operating period. Units Unit Cost Total Cost Units Sold 7 $210 Beginning Inventory 30 Sale no. 1 20 Purchase no. 1 10 500 50 Sale no. 2 40 Purchase no. 2 220 20 11 Totals 100 $930 60 Assuming Blunt, Inc., uses LIFO periodic inventory procedures, the ending inventory cost is Select one: O A. $280 O B. $420 O C. $310 O D. $440 O E. None of the above