5 Calculate the after tax cash flow for this project. Years Data Units Total 1" 2' 3 4 Prodn Mbopd 60 50 Price $/bbl 20 20 20 20 | Capex $MM 200 50 150 Opex $MM 100 20 20 40 20 30 20 7 20 20 20 20 20 60 365 50 365 40 365 30 365 20 365 365 365 Revenue calculation Prodn Mbopd Days per yr No Prodn MMbbl Price $/bbl Revenue $MM Before-tax net cash flow ("BTNCE") Revenue $MM Capex $MM Opex SMM BTNCF $MM Income tax Depr. at 20% based on declining balance from prod. start Revenue $MM Depr. at 20% $MM Balance Undepr. Opex $MM Taxable income $MM Tax at 40% $MM After-tax net cash flow ("ATNCF"). Revenue $MM | Capex $MM Opex $MM Tax $MM ATNCF $MM