Sarah wants to paint a mural on one of her rectangular walls. The wall measures 12 feet by 15 feet. The paint she wants to use costs $1.75 per square foot, but she only has $250 to spend. Will she have enough money to buy all the paint needed for the mural? If not, how much more money does she need? Let's think step by step and output the final answer within \boxed{}.
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