Ten investors invested an amount of P 75 million each for coal mining at Sierra Madre Mountain. It is expected that the mine contains 5, 000, 000 tons of coal ores and due to latest technology, it can mine 125, 000 tons of unprocessed ores. The management expects an annual expenses of P 35 million, an annual miscellaneous expenses of P 12 million and milling, drilling and other procedural expenses yearly costs P 815 per ton of unprocessed ores of coal. After such process, 85% of the coal ores produces an income of P 1, 750 per ton. a) Find the annual depletion cost of the mine. b) Ten years after operation, the management annual expenses decreases an amount of P 4 million, annual miscellaneous expenses becomes P13 million and procedural expenses becomes P 920 per ton of unprocessed ores. After procedural process, 75% of unprocessed ores produces an income of P 1, 850 per ton. What would then be its average depletion cost annually for the remaining years of the mine?
Ten investors invested an amount of P 75 million each for coal mining at Sierra Madre Mountain. It is expected that the mine contains 5, 000, 000 tons of coal ores and due to latest technology, it can mine 125, 000 tons of unprocessed ores. The management expects an annual expenses of P 35 million, an annual miscellaneous expenses of P 12 million and milling, drilling and other procedural expenses yearly costs P 815 per ton of
unprocessed ores of coal. After such process, 85% of the coal ores produces an income of P 1, 750 per ton.
a) Find the annual depletion cost of the mine.
b) Ten years after operation, the management annual expenses decreases an amount of P 4 million, annual miscellaneous expenses becomes P13 million and procedural expenses becomes P 920 per ton of unprocessed ores. After procedural process, 75% of unprocessed ores produces an income of P 1, 850 per ton. What would then be its average depletion cost annually for the remaining years of the mine?
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