Niles Co. has the following data related to an item of inventory recorded : Inventory, March 1 200 units @ $2.00 Purchase, March 7 700 units @ $2.20 Purchase, March 16 140 units @ $2.25 Sale, March 28 780 units @ 4.00 The value assigned to ending inventory if Niles uses LIFO under periodic inventory system is : 520 532 552 1040