HELP




Question
Refer to the Department of Energy's "Guide to Renewable Energy."

What is the author's purpose in mentioning the range of estimated costs for renewable energy systems?

Responses

to explain that there is more than one renewable energy system that consumers can buy to help save money on their energy bills
to explain that there is more than one renewable energy system that consumers can buy to help save money on their energy bills

to show homeowners how inexpensive renewable energy systems are and what other costs there are in installing them
to show homeowners how inexpensive renewable energy systems are and what other costs there are in installing them

to prove that renewable energy systems vary in cost and that some are too expensive for the average homeowner to consider
to prove that renewable energy systems vary in cost and that some are too expensive for the average homeowner to consider

to give consumers a better idea of how much they might need to spend on a system compared to the amount of money they'd save using it