Which of the following statements about natural resources is most accurate? O The cost of extracting natural resources should be expensed after all of the natural resources are extracted and sold as required by the cost principle. o The cost of extracting natural resources should be expensed as the natural resources are extracted and sold using a process similar to units-of-production depreciation. o The cost of extracting natural resources should not be expensed because land is not depreciated. o The cost of extracting natural resources should be expensed as they are paid