WyI What is the effect of a decrease in cost in the direct material rate variance due fo purchating lowes quality materials? a) Decreasing the fived overhead variance b) Weakening the sales mix variance c) Decreasing cost in the direct labour efficiency variance d) Increasing the cost in the direct material efficiency variance e) Increasing the cost in the variable overhcad variance Question 2 Q2) What is the effect of bonuses that reward for achicving a favorable direct labour rate variances? a) Require faster production times within a manufacturing facility b) Promote lower employee turnover c) Promote higher employee turnover d) Require increased investment in fixed costs