Answer:
I think you shouldn't let her borrow the money because a lot of things can happen in a year. Things like she can turn on you or you guys lets say get into an argument and decide to break off all ties with each other. You could offer her to help her raise money instead or do half and half with a contract saying she will pay half of it back within a years limit. I also believe that being able to take turns with the car would also be a good idea because you would put half of your money in something and that money you had you worked hard for and just giving it away wouldn't be fair.
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