Perpectuol inventory uting firo Beginning inventory, purchuses, and sales for fteen Zetag are as follows: Assuming a perpetual inventory sytem and using the first-in, first-out (FIFO) method, determine (a) the cost of goods sold on October 24 and (b) the inventocy on October 31. a. Coskd poots tole in october 24 b. Inventory on October 31