If the actual price paid for the quantity of materials purchased is less than the actual quantity purchased times the standard price, then: The materials price variance will be unfavorable. The materials price variance will be favorable. The materials efficiency variance will be unfavorable. The materials efficiency variance will be favorable. The decision-making approach that allows managers at lower levels to make and implement key decisions pertaining to their areas of responsibility is optimal strategic accounting decentralization controllable accounting, job cost accounting All of the following are true except A favorable labor efficiency variance could result from using higher quality materials that result in fewer inspections. An unfavorable materials usage variance could result from not efficiently utilizing raw materials, thus causing waste A favorable labor rate variance could result from lower wage workers quitting. A favorable materials price variance could result from purchasing identical materials from another supplier at a lower price