Victoria Company uses a weighted average perpetual inventory system.

February 1: 100 units were purchased at $10 per unit.

February 8: 150 units were purchased at $12.50 per unit

February 21: 180 units were sold

February 28: 40 units were purchased at $15 per unit

What is the pre unit value of ending inventory on August 31?

a.$10.00 b.$11.50 c.$12.77 d.$12.25