The following units of a particular item were awallable for sale during the calendar year: The firm maintains a perpetual inventory system. Determine the cost of poods sold for each sale and the inventory balance anter each saie, assuming the iast-in, first-out method, Present the data in the form illustrated in Exhibit 4. Under UFO, if units are in imventory at two or more different costs, enter the units with the LOWER unit cast first in the Inventory Unit Cost column