Inventory records for Dunbar Incorporated revealed the following: Date Transaction Apr 1 Beginning Inventory Apr. 20 Purchase Number of Units 500 Unit Cost $2.40 400 2.50 Dunbar sold 700 units of inventory during the month. Ending inventory assuming weighted-average cost would be (round weighted- average unit cost to four decimals and final answer to the nearest whole dollar): Multiple Choice $490. $480 $502 $489