Questions 7-11 are based on the following: Genius Corp provides the following information for the last quarter of 2019. Three numbers A, B and C are missing: Question 7 2.5pts The missing number B is: $72,000 $75,000 $31,000 $132,000 Compute the sales volume variance for contribution margin. \begin{tabular}{|ll} \hline$4,500 & Unfavorable \\ \hline$16,500 & Unfavorable \\ \hline$12,000 & Favorable \\ \hline$12,000 & Unfavorable \\ \hline \end{tabular}