What do you expect Tesla's cost, and profit, to be on the Model $3$ at different annual unit volumes $($e$.$g$.,$ at $200,000$ per year, $300,000$ per year, $400,000$ per year$).$ How many will Tesla have to sell per year in order to be profitable? What is the implication of your analysis for Tesla's viability as an auto company?

a Tesla will only start to make money if the company can sell more than roughly $300-350,000$ units per year.

b All of the above

c The Model $3$ should cost less per vehicle.

d Tesla needs scale to survive and succeed.