eBook Show Me How Calculator Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88 HX are as follows: WIU July 1 Inventory 90 units at $52 8 Sale 75 units 15 Purchase 125 units at $58 27 Sale 100 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on July 27 and (b) the inventory on July 31. a. Cost of goods sold on July 27 b. Inventory on July 31