Cotter pins and lubricants used irregularly in a production process are classified as 1) miscellaneous expense. O 2) nonmaterial materials. 3) indirect materials. 4) direct materials. Question 5 (2.5 points) Which of the following is not classified as direct labor? 1) Bottlers of beer in a brewery 2) Wages of supervisors 3) Bakers in a bakery 4) Copy machine operators at a copy shop Question 6 (2.5 points)