Natural gas power plants work by burning natural gas to generate thermal energy. The thermal energy is then used to create high-pressure steam that runs a turbine and produces electrical energy. The company that operates acertainnaturalgaspowerplantinSanDiegoCountypaysabout$0.83perkilogramofnaturalgas. Theplant heats steam at about 1900F and cools it down at 61F. The power plant's theoretical maximum efficiency is about 3.5 times its actual operating efficiency, and it produces about 9 kWh of thermal energy to heat the steam for each kilogram of natural gas it burns. How much does it cost (in dollars) for the plant to generate one kWh of energy