The answer to this question is <span>Tesla released all their patents to help the electric car industry .
By releasing the patent, now Tesla has opened up a chance for other experts to analyze Tesla's design and imporve the chance of new discovery for that certain product. This will definitely make a lot of potential improvements for electric cars in the future even though Tesla will not has the sole ownership of it.
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C.) reduce his food expenditure like maybe not go to the most expensive restaurant to go eat.
I believe the answer is: political institutions
In united states, the role of political institutions is to hear the aspiration/principles that held by a specific group of people, and appoint a certain candidate to realise those aspirations/principles into an actual law/regulations.