s.html#preference"><i class="fa fa-check"></i><b>7.2.3</b> Preference</a></li>
<li class="chapter" data-level="7.2.4" data-path="matrix-applications.html"><a href="matrix-applications.html#budget"><i class="fa fa-check"></i><b>7.2.4</b> Budget</a></li>
<li class="chapter" data-level="7.2.5" data-path="matrix-applications.html"><a href="matrix-applications.html#budget-and-preference-indifference-curves"><i class="fa fa-check"></i><b>7.2.5</b> Budget and Preference: Indifference Curves</a></li>
</ul></li>
<li