Calculator The following units of an inventory item were available for sale during the year: Beginning inventory 12 units at $48 First purchase 19 units at $55 Second purchase 20 units at $59 Third purchase 15 units at $63 The firm uses the periodic inventory system. During the year, 46 units of the item were sold. The value of ending inventory using FIFO is Oa. $1,240 Ob. 52,285 Oc. $992 Od. 51,816