Kiso Company purchased a tract of land for $4,500,000 in anticipation of extracting 1,425,000 tons of ore. The residual value of the land is expected to be $480,000. The company mines 125,000 tons of ore in the first year. What amount of depreciation would have been recorded in Kiso's books for Year 3?

a. $18,000

b. $12,857

c. $20,160

d. $15,000