What causes a DM Price Variance?
There are a number of reasons for causinf DM Price Variance.
Adverse Price Variance
1) Demand > Supply (Low Supply, High Demand result in price
to be material purchase to be more costly)
2) Change to a higher grade material quality.
3) Purchases made from oversea, exchange rate incurred
4) Purchases made in smaller quantity
As for favourable DM price variance, explanation will be
opposite of the above given.