Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88-HX are as follows: Jan. 1 Inventory 106 units @ $27 8 Sale 85 units 15 Purchase 118 units @ $31 27 Sale 99 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on Jan. 27 and (b) the inventory on Jan. 31. a. Cost of goods sold on Jan. 27 b. Inventory on Jan. 31