In $2019,$ Copper King Company paid $$4,250,000$ for land with an estimated $500,000$ tonnes of copper. Copper King plans to sell the land for $$250,000$ when all of the copper has been extracted. In $2019,15,000$ tonnes of copper were mined and sold. What is amortization for the year?$$127,500$$$120,000$$$100,000$It cannot be determined without knowing the estimated useful life of the mine