through 6-8:

Morgan Inc. has the following units and costs for the month of April:

Units Purchased at Cost Units Sold at Retail Beginning Inventory, April 1 1,000 units at $20 Purchase 1, April 9 1,200 units at $23 Sale 1, April 12 1,800 units at $40 Purchase 2, April 22 800 units at $25