PROBLEM: 13C6 Net Present Value Analysis Including Income Taxes [LO8] The Crescent Drilling Company owns the drilling rights to several tracts of land on which natural gas has been found. The amount of gas on some of the tracts is somewhat marginal, and the company is unsure whether it would be profitable to extract and sell the gas that these tracts contain. One such tract is tract 410, on which the following information has been gathered: Investment in equipment.