[[file:about-taxes_fig1.png|thumb|300px|{{figure number|1}}Federal income tax model for oil and gas transactions. Amounts are net to your working and revenue interest. Calculations are made each tax year.<ref name=pt02r16 />]]
The recommended approach to calculate after-tax net cash flow (NCF) is to use Equation 1, which is
The recommended approach to calculate after-tax net cash flow (NCF) is to use Equation 1, which is