Sawyer Company Uses the Perpetual Inventory System and the Moving-Average

Sawyer Company uses the perpetual inventory system and the moving-average method to value inventories. On August 1, there were 10,000 units valued at $50,000 in the beginning inventory. On August 10, 20,000 units were purchased for $10 per unit. On August 15, 24,000 units were sold for $20 per unit. The amount charged to cost of goods sold on August 15 was

A) $50,000.
B) $200,000.
C) $240,000.
D) $180,000.