ss="op">+</span><span class="st"> </span>(income <span class="op">-</span><span class="st"> </span>lower_bracket) <span class="op">*</span><span class="st"> </span>marginal_rate] <span class="op">%&gt;%</span></span>
<span id="cb5-11"><a href="#cb5-11"></a><span class="st">  </span>.[<span class="kw"><a href="https://Rdatatable.gitlab.io/data.table/reference/setorder.html">order</a></span>(the_order)]</span></code></pre></div>
<pre><code>##    fy_year income lower_bracket marginal_rate tax_at the_order  tax