A minerals company is evaluating whether to mine. Using an interest on the investment of 15%, determine how much is the present value if it is necessary to invest $6 million (at zero instant) to then start the operation: Cost S/ton 25 Price $/ton 38 20 39 22 Year Tons 1 90,000 2 120,000 3 120,000 4 100,000 5 80,000 6 60,000 7 40,000 40 41 24 42 26 28 43 30 44