a) How many kilowatt-hours (kW-h) of electricity are saved over the course of a year by converting a light fixture that operates 3 hours per day on

a) How many kilowatt-hours (kW-h) of electricity are saved over the course of a year by converting a light fixture that operates 3 hours per day on average from a 100W incandescent bulb to a 20W mercury vapor bulb?？kW-h/yrb) If electricity costs 10 cents per kW-h, how much money in electric bills is saved over the course of the year?？$ per yearc) If the electricity is generated at a power plant with carbon emissions of 200 g (C) per kW-h of energy, how many metric tons of carbon emissions are saved over the course of a year?？tC/yr

a) How many kilowatt-hours (kW-h) of electricity are saved over the course of a year byconverting a light fixture that operates 3 hours per day on average from a 100W incandescentbulb to a 20W…