D Question 18 An efficiency (or quantity) variance measures: O The difference between current and previous production costs. O How well a company uses its materials and labor to produce a unit of output. O The difference between its production costs and its competitors' production costs. How good a company is in keeping its unit costs of material and labor within standards. < Previous 3 pts Next -> D Question 18 An efficiency (or quantity) variance measures: O The difference between current and previous production costs. O How well a company uses its materials and labor to produce a unit of output. O The difference between its production costs and its competitors' production costs. How good a company is in keeping its unit costs of material and labor within standards. < Previous 3 pts Next -> D Question 18 An efficiency (or quantity) variance measures: O The difference between current and previous production costs. O How well a company uses its materials and labor to produce a unit of output. O The difference between its production costs and its competitors' production costs. How good a company is in keeping its unit costs of material and labor within standards. < Previous 3 pts Next ->