/sci/ - Science & Math

Homework. No clue how to solve this at all. Need either A or B solved.
>A wind turbine of 1 MW costs €1,420,000.
>Other investment costs amount to a total of €310,000.
>Estimated production for the wind power plant is approx. 2.8 GWh/year, according to the Wind Atlas calculation.
>Operating and maintenance costs are estimated at €23,000 per year.
>Compensation for electricity production is €0.07/kWh.
>The operating period has been set to 20 years and the real interest rate to 6%.
>A. What is the key figure for this project expressed in € per annual kilowatt hour? Round the result to two decimal places.
>B. Calculate the profit in 20 years in € (the present value of the net income - the investment cost). Round your answer to the nearest thousand.