The following is an estimated oil production rate as function of time for a reservoir Year Production rate Bbl/day 100000 2 90000 80000 A 60000 3 40000 6 30000 2000 1000 Calculate the yearly after tax net cash flow given: = 20% Mineral oil royalty Oil price = $ 20/bbl Local Tax 15 % of the net interest revenue = $ 5/bbl Operating cost Overhead = $5 106 per year plus 20% on investment Capital investment =$50 * 106 Bonus & Leasehold = $ 10 * 106 70% of the capital investment depreciated by sum of the year's digits method. 30% of the capital investment is expensed. The units of production method deplete the bonus & leasehold costs. The income tax rate is 40 %. The following is an estimated oil production rate as function of time for a reservoir Year Production rate Bbl/day 100000 2 90000 80000 A 60000 3 40000 6 30000 2000 1000 Calculate the yearly after tax net cash flow given: = 20% Mineral oil royalty Oil price = $ 20/bbl Local Tax 15 % of the net interest revenue = $ 5/bbl Operating cost Overhead = $5 106 per year plus 20% on investment Capital investment =$50 * 106 Bonus & Leasehold = $ 10 * 106 70% of the capital investment depreciated by sum of the year's digits method. 30% of the capital investment is expensed. The units of production method deplete the bonus & leasehold costs. The income tax rate is 40 %