FS</span>, <span class="va">util.PPS</span><span class="op">)</span>,</span>
<span>                                  c_default <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/ifelse.html" class="external-link">ifelse</a></span><span class="op">(</span><span class="va">fl.prog</span> <span class="op">==</span> <span class="fl">0</span>,<span class="va">cost.dm.PFS</span>,<span class="va">cost.dm.PPS</span><span class="op">)</span> <span class="op">+</span> <span class="kw">if</span