eBook Show Me How Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88-HX are as follows: Oct. 1 Inventory. 100 units@ $29 8 Sale 80 units 15 Purchase 111 units $31 27 Sale 93 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on Oct. 27 and (b) the inventory on Oct. 31. a. Cost of goods sold on Oct. 27 b. Inventory on Oct. 31