A company just starting business made the following three purchases in February: 8 9 Feb. 1 225 units $1,350 Feb. 10 400 units 2,800 Feb. 28 100 units 800 $4,950 On Feb 15, there were 300 units sold. The company uses a perpetual inventory system. Using the weighted average cost formula, the balance in ending inventory on February 28 is $1,992 $3,075 $2,958 $4,950