1.Beginning inventory, purchases, and sales for Product XCX are as follows: Sep. 1 Beginning Inventory 22 units @ $12 5 Sale 15 units 17 Purchase 22 units @ $14 30 Sale 17 units Assuming a perpetual inventory system and the last-in, first-out method, determine (a) the cost of the merchandise sold for the September 30 sale and (b) the inventory on September 30. a) Cost of merchandise sold $ b) Inventory, September 30 $