The Desai Corporation has units of an item available for sale during the year as follows: There are 48 units of the item in the physical inventory at December 31. Determine the dollar value of the 48 units of the ending inventory for each of the three methods below. Please show you work. (a) the FIFO (first-in, first-out) method (b) the LIFO (last-in, first-out) method (c) the Average Cost method