Calculator Beginning inventory, purchases, and sales for Product XCX are as follows: Sep. 1 Beginning Inventory 22 units $15 5 Sale 17 Purchase 30 Sale 15 units 26 units 18 units $17 Assuming a perpetual inventory system and the last-in, first-out method, determine (a) the cost of the a) Cost of goods sold b) Inventory, September 30 for the September 30 sale and (b) the inventory on September 30 s( 531 ) x 41