Inventory by Three Methods The units of an item avalable for sale during the year were as follows: There are 47 units of the item in the phyicbl irventory at December 31. The periadic inventory system is used. Determine the inventory cost under each of the following methods. a. Determine the inventory cost by using the first-in, first-out method: b. Determine the unventocy cost by using the last-in, first-out method. c. Determine the inventory cost by using the weighted average cost method. Round intermediate calculation to cents then round final answer to the nearest whole doliar