Given: The following heating fuel values and costs. Natural gas 100,00 Btu per therm @ $.56. Heating oil 140,000 Btu per gal @ $1.12. Electricity 4314 Btu per Kwh @ .08 per Kwh. The estimated heating requirement for a b uilding is 80,000,000 Btu per year. With an oil furnace of 65% efficiency, the estimated heating cost per year would be $____.

Given: The following heating fuel values and costs. Natural gas 100,00 Btu per therm @ $.56. Heating oil 140,000 Btu per gal @ $1.12. Electricity 4314 Btu per Kwh @ .08 per Kwh. The estimated heating requirement for a b uilding is 80,000,000 Btu per year. With an oil furnace of 65% efficiency, the estimated heating cost per year would be $____.