I was able to get 1, 2, and 3b but I cannot figure out 3a. Once I do 4 will be easy

completion. Return to question The Greensboro Performing Arts Center (GPAC) has a total capacity of 8,500 seats: 2,300 center seats, 2,800 side seats, and 3,400 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 $ 80 80% 85% Side 70 70 75 Balcony 60 75 65 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: 1. The budgeted and actual sales mix percentages for different types of seats. 2. The budgeted average contribution margin per seat. Assume the ticket price is also the contribution margin. 3-a. The total sales mix variance. 3-b. The total sales quantity variance. 4. The total sales volume variance. x Answer is not complete. Complete this question by entering your answers in the tabs below. Req 1 Req 2 Req 3A Req 3B Req 4 The total sales mix variance. (Round your answers to the nearest whole dollar amount.) Sales Mix Variance Center $ 11,379 x Favorable side 11,665 x Favorable Balcony (18,343) x Unfavorable Total $ 4,454 Favorable