1-5"><a href="#cb1-5"></a><span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span>(grattan)</span></code></pre></div>
<p>Generally, income taxes are parmeterized by tax tables. In Australia, for the 2017-18 financial year, the table looks like</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb2-1"><a href="#cb2-1"></a>dollar &lt;-<span class="st"> </span><span class="cf">function</span>(x) <span class="kw"><a href="https://rdrr.io/