    FALSE  ""                 </span></span>
<span><span class="co">##  3 T_s = T_d                            FALSE  ""                 </span></span>
<span><span class="co">##  4 N_s = N_d                            FALSE  ""                 </span></span>
<span><span class="co">##  5 Yd = W * N_s - T_s                   FALSE  ""                 </span></span>
<span><span class="co">##  6 T_d = theta * W * N_s                FALSE  ""                 </span></span>
<span><span class="co">##  7 C_d = alph