In January 2015, Stonewall Company purchased a mine for $4,250,000 with removable ore estimated to be 2,000,000 tons. The property has an estimated value of $250,000 after the ore has been extracted. The company incurred $1,000,000 of development costs preparing the mine for production. During 2015, 500,000 tons of ore were removed and sold. What is the amount of depletion for 2015?

A. $1,000,000

B. $1,062,500

C. $1,250,000

D. $1,312,500