Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88-HX are as follows: Mar 1 Inventory 90 units @ $17 8 Sale 72 units 15 Purchase 100 units $21 27 Sale 84 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on Mar 27 and (b) the inventory on Mar 31. a. Cost of goods sold on Mar 27 1,680X b. Inventory on Mar 31 1,680 X Oct. 1 Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales for Item Zeta9 are as follows: Inventory 36 units $19 7 Sale 25 units 15 Purchase 37 units $21 24 Sale 16 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