Calculator Beginning inventory purchases, and sales for Product Care as follows: Sept. 1 Beginning Inventory 24 units 5 Sale 17 Purchase 28 units 30 Sale 19 units 512 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 371 b) Inventory, September 30