please answer both. thank you

Perpetual inventory using Fifo Beginning inventory, purchases, and sales for item Zeta9 are as follows: Assuming a perpetual inventory system and using the first-in, first-out (FFFO) method, determine (a) the cost of goods sold on octobee 24 and (0) the inventory on October 31 . a. Cost of goods sold on October 24 b. Inventory on October 31 Perpetual inventory using LFFO. Beginining inventory, purchases, and sales for Item 88HX are as follows: Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on July 27 and (b) the inventory on Jlyy 31. a. Cost of goods seld on July 27 b. Inventory on July 31