Required information [The following information applies to the questions displayed below] Alden Company's monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. (Do not round intermediate aculations.) \begin{tabular}{|l|l|} \hline & \\ \hline Tetal cost at the high point \\ \hline Variable costs at the high point: \\ \hline Volume at the high point: \\ \hline Variable cost per unit \\ \hline Total variable costs at the high point & \\ \hline Total foxed costs & \\ \hline Total cost at the low point & \\ \hline Variable costs at the low point: & \\ \hline Volume at the low point: \\ \hline Variable ocst per unit \\ \hline Total varabie costs at the low point & \\ \hline Total fixod costs \\ \hline \end{tabular}