2Fe³⁺ + 7O₂ to 6Cu⁺ + 2FeO + 6SO₂. The process described above has an average yield of 83.0% for copper production. If 2.50 metric tons of Cu₃FeS is reacted with excess O₂, how much copper is produced?
A. 2.08 metric tons
B. 2.50 metric tons
C. 3.00 metric tons
D. 3.17 metric tons