which of the following statements would be a correct factor to explain the sales volume variance for operating income? (a) increase in fixed cost (b) increase in variable cost per unit (c) increase in sales volume (d) decrease in sales price per unit

The Alaska Fish Company completed the flexible budget analysis for the second quarter. which is given below. Flexible Budget Variance Units Sales Revenue Variable Costs Contribution Margin Fixed Costs Operating Incomel (Loss) Actual Results 12.820 $62,730 27,530 $35,200 34,290 Sales Volume Variance 1020 E $5188 F $2182 U $3006 F $0 Flexible Budget 12.820 $65,208 27.422 $37,786 34,040 $2478 U 108U U $2586 U U 250 U Static Budget 11.800 $60,020 25.240 $34,780 34,040 $740 $2836 $3006 F $3746 U $910 Which of the following statements would be a correct factor to explain the sales volume