My answer is wrong, which one is correct?

The sales volume variance is the difference between the: Answers: Selected Answer: flexible budget (based on actual volume) and actual revenue or cost. flexible budget (based on actual volume) and actual revenue or cost. static budget (based on planned volume) and the flexible budget (based on actual volume). static budget (based on actual volume) and the flexible budget (based on planned volume). static budget (based on planned volume) and actual revenue or cost