A pump moves water from a reservoir to another reservoir through a piping system at a rate of 0.15 m³/min. Both reservoirs are open to the atmosphere. The elevation difference between the two reservoirs is 35 m and the total head loss is estimated to be 4 m. If the efficiency of the motor pump unit is 65 percent, the electrical power input to the motor of the pump is

(a) 1664 W 

(b) 1472 W 

(c) 1238 W 

(d) 983 W

(e) 805 W