13. Inventory is another asset for which there is a variety of ways to account under historical cost accounting, including first-in, first-out; last-in, first-out; average cost; etc. Required a. How would inventory manufactured but not yet sold be accounted for under ideal conditions? In your answer, consider both balance sheet and revenue recognition approaches. b. Give reasons why inventory is usually accounted for on a historical cost basis. Is accounting on this basis completely reliable? Why