The Greensboro Performing Arts Center (GPAC) has a total capacity of 9,300 seats: 2,500 center seats, 3,000 side seats, and 3,800 balcony seats. The budgeted and actual tickets sold for a Broadway musical show are as follows: Percentage Occupied Ticket Budgeted Actual Price Seats Seats Center Side Balcony $ 70 90% 95% 60 80 85 50 85 75 The actual ticket prices were the same as those budgeted. Once a show has been booked, the total cost does not vary with the total attendance. Required: Compute the following for the show: 3-a. The total sales mix variance. 3-b. The total sales quantity variance. 4. The total sales volume variance.