Jumper:
A large commercial building has a HVAC system that consumes 400 kilowatts (kW) of electrical power to maintain a constant temperature of 72°F throughout the building during operation. The HVAC system is equipped with a variable frequency drive (VFD) that can modulate its power usage according to the outdoor temperature. The VFD has a control algorithm that reduces the HVAC system's power consumption by 8% for every 1°F decrease in the outdoor temperature below a base temperature of 68°F. Additionally, for every 1°F increase above the base temperature, the power consumption increases by 6%. If the outdoor temperature is currently 64°F, and the power company charges $0.12 for each kilowatt-hour (kWh) consumed, determine: 1. The HVAC system's power consumption in kW at the current outdoor temperature. 2. The percentage reduction in power consumption compared to the base temperature. 3. The cost of operating the HVAC system for 8 hours at the given outdoor temperature. (Round your final answers to two decimal places)
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