That would be nice if someone can explain to me the result.

SOLVE Ward Corp uses a periodic inventory system for its one inventory item. At the end of the year, December 31, the accounting records showed the following inventory information: Transactions Beg Inventory, Jan 1 Purchase, Jan 30 Purchase, May 1 Sale Feb 1 at $5 each Sale June 30 at $5 each Units 400 300 460 160 700 Unit Cost $3.00 3.40 4.00 Hint Pay attention to whether you are calculating UNITS or DOLLARS Calculate in dollars a) Amount of goods available for sale, b) Ending Inv c) Cost of Goods Sold for each of the inv flow costing assumptions (FIFO, LIFO, AVG Cost) PERIODIC UNITS AVG COST $ FIFO $ LIFO $ Beg Inv +Purchases Jan 30 +Purchases May 1 Amount of Goods Available for sale Cost of Goods Sold Ending Inventory