Assume that we use a perpetual inventory system and that five identical units are purchased separately at the following four dates and costs: april 5 at $10, april 10 at $12, april 15 at $14, and april 20 at $16 april 20 $17. one unit is then sold on april 25. the company uses the first-in, first-out (fifo) inventory costing method. identify whether each of the items purchased will be sent to cost of goods sold on the income statement or reported in inventory on the balance sheet using the drop-down list.