Bella Inc. purchased 10 items for $12,000 on January 10, 2015 on credit. It started the month with 5 items at a total cost of $5,000. After inspecting the inventory purchased on January 10 it determined that 10% of the items were defective therefore returning them to the supplier. What is the cost of Goods sold if it sold 8 of the items on January 15 using the FIFO method? a 9600 b. 10800 C. 6200 d. 8600