what is this answer?

Inventory records for Marvin Company revealed the following: Date Transaction Number of Units Unit Cost Total Cost Mar. 1 Beginning inventory 1,000 $7.20 $7,200 Mar. 10 Purchase 600 7.25 $4,350 Mar. 16 Purchase 800 7.30 $5,840 Mar. 23 Purchase 600 7.35 $4,410 3,000 $21,800 Marvin sold 2,300 units of inventory during the month. The ending inventory assuming weighted-average cost would be (round weighted-average unit cost to four decimals and final answer to the nearest whole dollar): O $5,107 O $5,077 O $5,087 O $5,005