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

A) inadequately trained employees
B) poor quality materials
C) employee carelessness
D) All of these choices

Inadequately Trained Employees

Workers who have not received sufficient training to perform their jobs effectively, potentially impacting productivity and quality.

Poor Quality Materials

Materials that do not meet the required standards for production or manufacturing, possibly leading to product defects.

Employee Carelessness

Situations in which employees' lack of attention or disregard for procedures leads to inefficiency or loss for the company.