7. Participative style of budgeting is the most common style of budgeting used by organizations True False 8. Activity based costing improves the allocation of overhead costs to products by using multiple activity rates True False 9. In order to determine the efficiency of business operations, actual costs are compared to the Flexible Budget rather than the planning budget. True False 10. All activity variances arise due solely to the difference between the level of activity assumed in the planning budget and the actual level of activity used in the flexible budget True False