I need to find cost of goids sold. I got $828 but that was I correct

Perpetual Inventory Using FIFO Beginning inventory purchases, and sales for Item Zeta9 are as follows: Oct. 1 Inventory 48 units $15 7 Sale 35 units 15 Purchase 48 units $18 24 Sale 19 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 31 756