<p>It is not considered correct in the U.S. to do that; I don’t know if there are always penalties but it is just one of those things that is not done.</p>
<p>What’s going to change between now and two weeks from now? You really think you can wear your parents down? My guess is that it’s unlikely. Make your decision based on what your parents will pay, and begin the process of falling in love with the school you’re going to.</p>
<p>If it is not CS at CMU, then go along with your parents. If it is CS at CMU convince them that it will be far more worth to go to CMU than the $10/yr.</p>