The production of the oil well decline exponentially, the initial flow rate is 800 STB/day , the production rate of this well become 90 STB/day in the third year find the production rate after 24...

The production of the oil well decline exponentially, the initial flow rate is 800 STB/day , the production rate

of this well become 90 STB/day in the third year find the production rate after 24 months from beginning , find yearly production and production rate for this well for the next 2 years ?