calculate the missing values

\begin{tabular}{|cccccc} \hline \begin{tabular}{c} Fixed Cost \\ (FC) per \\ month \end{tabular} & \begin{tabular}{c} Variable \\ Cost (VC) \\ per unit \end{tabular} & \begin{tabular}{c} Selling \\ Price (S) \\ per unit \end{tabular} & \begin{tabular}{c} Break-even \\ Volume (x) \\ per month \end{tabular} & \begin{tabular}{c} Total Variable \\ Cost at Break- \\ even (TV) \\ per month \end{tabular} & \begin{tabular}{c} Total \\ Revenue (TR) \\ per month at \\ Break-Even \end{tabular} \\ \hline$8,400.00 & $25.00 & $36.00 & 1,070 & \\ \hline$126,000.00 & $470.00 & & & \\ \hline$740.00 & $80.00 & 24 & \\ \hline \end{tabular}