A coffee distributor had 10,000 lbs of coffee valued at $2.20/lb. They bought 5,000 more lbs at $2.30/lb, and subsequently 5,000 more lbs at $2.10 each. After that, they sold 10,000 lbs at $3.10 each. What is the gross income if inventory is valued using each of the following methods?

A) Average value B) FIFO C) LIFO