<ol>
<li>Don’t worry about the unit limit, petitions are available. Don’t wait until the last minute though.</li>
<li>It is possible to change to an impacted major, but not Comm/BizEcon/Pol Sci except under very special circumstances.</li>
<li>I recommend you try psychology. Why would want to change majors without even taking any upper division classes? You might actually like the major you applied as. Give it a quarter at least.</li>
</ol>
<p>On a side note, My brother changed from L&S to HSSEAS, then back to L&S and most people would say that would be “impossible.”
Remember to just write/speak subjectively in your essays or in person…</p>