Shaw Incorporated began this period with a budget for 1,020 units of predicted production. The budgeted overhead at this predicted activity follows. At period-end, total actual overhead was $94,200, and actual units produced were 920 . The company applies overhead with a standard of 3DLH per unit and a standard overhead rate of $30 per DLH. a. Compute controllable variance. b. Compute volume variance. Complete this question by entering your answers in the tabs below. Compute controllable variance. Note: Indicate the effect of the variance by selecting favorable, unfavorable, or no variance. \begin{tabular}{|l|l|l|} \hline \multicolumn{2}{|c|}{ Volume Variance } \\ \hline & & \\ \hline & & \\ \hline Volume variance & & \\ \hline \end{tabular}