A turbine in a hydroelectric power station is located $30\,\text{m}$ beneath the surface level of a large lake. Water flows through the turbine at a rate of $340\,\text{m}^3$ per minute. The turbine and generator system has an overall efficiency of $90\%$. What is the power output of the power station? (The density of water is $1000\,\text{kg m}^{-3}$.)
- A$0.15\,\text{MW}$
- B$1.5\,\text{MW}$
- C$1.7\,\text{MW}$
- D$90\,\text{MW}$