Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales for Item Zeta9 are as follows: Oct. 1 Inventory 72 units @ $16 7 Sale 60 units 15 Purchase 83 units @ $17 24 Sale 21 units Assuming a perpetual Inventory system and using the first-in, first-out (FIFO) method, determine (a) the cost of goods sold on October 24 and (b) the inventory on October 31. a. Cost of goods sold on October 24 b. Inventory on October 31 Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88-HX are as follows: Jan. 1 Inventory 102 units $19 8 Sale 82 units 15 Purchase 113 units @ $21 27 Sale 95 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 1,995 V b. Inventory on Jan. 31