Suppose that Ainazon uses a periodic inventory system and reports the following for the month of June: (a) Compute the cost of the endine ieventory and the cost of goods sold under (2) FFO, (2) UFO, and (J) average-cost. (Reund average cost per unit to 2 decimat ploces, eg- 5.25 and final answers to 0 decial places, es. 2,520.).