s includes all recurring capital costs for replacement equipment, interest payments on annualized capital costs, and all annual operating costs and revenues.
</p>

<p>
These values are shown in table headers with (¤) as the unit.
</p></dd>
<dt>Present value</dt><dd><p>
The discounted version of the total cost; all present and future costs and revenues, discounted and summed.
</p>

<p>
These values are shown in table headers with (¤<sub>PV</sub>) as the unit
</p></dd>
<dt>Principal</dt><dd><p>
(only shown 