What are some of the causes of an unfavourable materials quantity variance? O The production department scrapped more than normal amount of materials. O Materials received were of poor quality and more had to be used. O Materials were left unattended and had to be scrapped. O All of the above are causes.

What are some of the causes of an unfavourable materials quantity variance? The production department scrapped more than normal amount of materials. Materials received were of poor quality and more had to be used. Materials were left unattended and had to be scrapped. All of the above are causes