Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales for Item Zeta9 are as follows: Oct. 1 Inventory 51 units @ $25 7 Sale 34 units 15 Purchase 57 units @ $29 24 Sale 22 units Assuming a perpetual inventory system and using the first-in, first-out (FIFO) method, determine (a) the co inventory value on October 31. a. Cost of the goods sold on October 24 b. Inventory value on October 31 Check My Work