Water enters a pump steadily at 100 kPa at a rate of 35 L/s and leaves at

Question:

Water enters a pump steadily at 100 kPa at a rate of 35 L/s and leaves at 800 kPa. The flow velocities at the inlet and the exit are the same, but the pump exit where the discharge pressure is measured is 6.1 m above the inlet section. The minimum power input to the pump is
(a) 34 kW
(b) 22 kW
(c) 27 kW
(d) 52 kW
(e) 44 kW