00.3 2.328 Sale PE 7-3A Perpetual inventory using LIFO Beginning inventory, purchases, and sales for Item Zebra 9x are as follows: April 1 Inventory 420 units at $8 300 units Purchase 280 units at $9 Sale 250 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, deter- mine (a) the cost of merchandise sold on April 27 and (b) the inventory on April 30. 10 18 27 OB). 3 28 PE 7-3B Perpetual inventory using LIFO Beginning inventory, purchases, and sales for Item Foxtrot are as follows: Mar Inventory 270 units at $18 Sale 225 units Purchase 375 units at $20 Sale 240 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, de- termine (a) the cost of merchandise sold on March 27 and (b) the inventory on March 31. 1 8 15 27