A difference in quantity of materials used on two comparable jobs may be caused by

A) inadequately trained employees
B) poor quality materials
C) incorrect instructions attached to the job
D) all of these choices

Inadequately Trained Employees

Workers who lack the necessary skills, knowledge, or experience required to perform their job tasks efficiently and effectively.

Poor Quality Materials

Materials that fail to meet the prescribed standards for production, causing potential defects in the final product.

Incorrect Instructions

Guidance or directives given that are wrong or inaccurate, potentially leading to errors or negative outcomes.