Beginning inventory, purchases, and sales for Item Zeta9 are as follows: Oct. 1 7 Inventory Sale 76 units @ $24 50 units 15 Purchase 59 units $28 24 Sale 32 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