5. The activity variance for revenue is unfavorable if the revenue in the flexible budget is less than the revenue in the static planning budget. A) True B) False 6. A flexible budget performance report contains both activity variances and revenue and spending variances. A) True B) False 7. While fixed costs should not be affected by a change in the level of activity within the relevant range, they may change for other reasons. A) True B) False 8. Flexible budgets cannot be used when there is more than one cost driver (i.e., measure of activity). A) True B) False 9. Directly comparing static budget costs to actual costs only makes sense if the costs are fixed. A) True B) False