question content area the following units of an inventory item were available for sale during the year: beginning inventory 10 units at $52 first purchase 17 units at $55 second purchase 23 units at $56 third purchase 14 units at $57 the firm uses the periodic inventory system. during the year, 40 units of the item were sold. the value of ending inventory using fifo is a.$1,086 b.$1,878 c.$1,358 d.$2,293