Rubric, Inc

Multiple Choice

Rubric, Inc. provided the following inventory transaction summary for May: 5/1 Purchased 200 units @ $3.00 per unit
5/15 Sold 40 units
5/21 Purchased 300 units @ $5.00 per unit 5/31 Purchased 40 units @ $10.00 per unit
In addition, it has been determined that Rubric's inventory at the beginning of the month was $400.00 200 units) . What was Rubric's cost per unit at the end of May, using the moving average method?

A) $3.00
B) $2.00
C) $4.00
D) $6.00