Taos Corporation uses the perpetual inventory method. On March 1, it purchased $120,000 of merchandise inventory, terms 2/10, n/30. On March 3, Taos returned goods (not damaged) that cost $12,000. On March 9, Taos paid the supplier. On March 9, Taos should credit: Select one: A. Purchase discounts for $2,400 B. Inventory for $2,400 C. Purchase discounts for $2,160 D. Inventory for $2,160