in 2014, Bourne Mining Company purchased property with natural resources for P62,000,000. The property was relatively close to a large city and had an expected residual value of P9,000,000. The following information relates to the use of the property:(a) in 2014, Boume spent P4,000,000 in development costs and in 2015, P3,000,000 in buildings on the property. Bourne does not anticipate that the buildings will have any utility after the natural resources are depleted.(b) In 2015 and 2017, P3,000,000 and P7,900,000, respectively were spent for additional development on the mine. The tonnage mined and estimated remaining tons for the years 2014 to 2018 are as follows: 2014 Tons Extracted : 2014 Estimated Tons 5 million;2015 Tons Extracted 1,500,000; 2015 Estimated Tons 3,500,000; 2016 Tons Extracted 1,800,000; 2016 Estimated Tons 2,200,000;2017 Tons extracted 1,700,000;2017 Estimated tons 1,400,000; 2018 Tons extracted 1,400,000; 2018 estimated tons 0. How much is the depletion in 2017