Beginning inventory, purchases, and sales for Item Zeta9 are as follows:

Oct. 1		Inventory	35 units @ $16
7		Sale	25 units
15		Purchase	41 units @ $18
24		Sale	15 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.