Material Usage Variance (MUV):
This is the variation between the actual quantity of material consumed and standard quantity which should have been consumed, expressed in terms of the standard price of the material.
MUV = Standard price (Standard quantity for actual production - Actual quantity used)
Reasons for usage variance may be
- Carelessness in the use of material
- Defective material
- Wastages caused by bad methods or bad workmanship
- Non-standard mix of materials used
- vary in the quality of materials used