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

Oct. 1		Inventory	54 units @ $24
7		Sale	35 units
15		Purchase	51 units @ $27
24		Sale	27 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