Please do a-c

5-20. You own a 42% working interest and a 33.6% net revenue interest in Lease "B." The current oil price is $65/bbl. If the severance and ad- Valorem tax rate is 8%, and the gross monthly operating costs are $9,000 a) What is the rate at the economic limit in bopd? (See Chapter 1 or Chapter 8 for economic limit calculation) b) What must the price of oil be if the economic limit is 3 bopd? c) If the current rate is 80 bopd and the decline rate is 0.6/year (nominal exponential), what \% increase in gross (8/8) reserves is attributable to this change in economic limit