outlook-eq-cost.tex

\documentclass[../main.tex]{subfiles}

\begin{document}
    \begin{figure}[h]
        \begin{equation}
            \label{eq:actual_cost}
            \begin{split}
                actual\ cost[USD] =& P(outage) * outage\ cost[USD] \\
                +& P(change) * change\ cost[USD]
            \end{split}
        \end{equation}
    \end{figure}
\end{document}