Showtime is a group of aspiring musicians and actors who perform in theaters and dinner clubs. It has a matinee and evening show. These operating data pertain to the month of July: Master budget data Total number of shows 100 (evening 70; matinee 30) Contribution margin per show: Matinee $ 240 Evening $ 600 Actual operating results Number of shows 90 (36 evening, 54 matinee) Required: 1. Calculate each variance by individual type of show and also show the combined total of each variance for both types of shows: a. Sales mix variances. b. Sales quantity variances. c. Sales volume variances.