The units of an item available for sale during the year were as follows: Jan. 1 Inventory 2,500 units at $7 Feb. 17 Purchase 2,800 units at $9 Jul. 21 Purchase 3,300 units at $11 Nov. 23 Purchase 1,400 units at $13 input your answers in the questions below. a. Determine the inventory cost by the first-in, first-out method. b. Determine the inventory cost by the last-in, first-out method. $ c. Determine the inventory cost by the weighted average cost method. Round your answer to the nearest dollar. $