Question: A 75-hp compressor in a facility that operates at full load for 2500 h a year is powered by an electric motor that has an

A 75-hp compressor in a facility that operates at full load for 2500 h a year is powered by an electric motor that has an efficiency of 93 percent. If the unit cost of electricity is $0.06/kWh, the annual electricity cost of this compressor is
(a) $7802
(b) $9021
(c) $12,100
(d) $8389
(e) $10,460

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