<p><span style="font-size:16px;">For number 19, the "overutilization" problem, my "Attack from Two Sides" strategy failed me and I said the answer was D, when in fact the answer key says the answer is A. Sorry about that everyone! </span></p>
<p><span style="font-size:16px;">I suppose the strategy didn't fail me necessarily -- more I just didn't apply the right evidence.</span></p>