Pump station #5 is located at an elevation of 4,775′. You need to calculate the increased cost of electricity for 6 months if the pump operates 18 hours a day instead of 16 hours a day. The pump is pumping into a 2.2 MG, 45′ high tank which is located at a base elevation of 4,985′ at a flow of 4 cfs. The cost of electricity of $0.49/KW. (Assume the motor and pump are operating at 100% efficiency. )