eBook Show Me How Calculator Periodic Inventory by Three Methods The units of an item available for sale during the year were as follows: Jan. 1 Inventory 1,095 units $136 Feb. 17 Purchase 1,400 units @ $137 1,605 units @ $138 July 21 Purchase Nov. 23 Purchase 1,145 units $140 There are 1,220 units of the item in the physical inventory at December 31. The periodic inventory system is used. a. Determine the inventory cost by the first-in, first-out method. b. Determine the inventory cost by the last-in, first-out method. Determine the inventory cost by the weighted average cost method. Do not round intermediate calculation and round final answer to the nearest whole dollar. Previous Nes Check My Work mi d