The following are data available for Blue Grass for the month of June:

Sales 1,200 units

Beginning Inventory 300 units @ 2.00

Purchases, in order 600 units @ 2.10

400 units @2.20

500 units @ 2.30 (a.) Calculate cost of goods sold and ending inventory under the following cost flow assumptions: (1.) Weighted average (2.) FIFO (3.) LIFO