Santa Fe purchased the rights to extract turquoise on a tract of land over a five-year period. Santa Fe paid $300,000 for extraction rights. A geologist estimates that Santa Fe will recover 5,000 pounds of turquoise. During the current year, Santa Fe extracted 1,500 pounds of turquoise, which it sold for $200,000. What is Santa Fe's cost depletion expense for the current year?
a. $85,800b. $128,700c. $156,440d. $429,000e. None of these