Controllable costs
Controllable
ACTUAL MATERIAL * STANDARD COST
ACTUAL MATERIAL * NEW STANDARD
=
CONTROLLABLE VARIANCE
UNCONTROLLABLE COSTS
ACTUAL MATERIAL * NEW STANDARD
ACTUAL COST SPENT
=
UNCONTROLLABLE
TOTAL MATERIAL VARIANCE COST
MATERIAL * STANDARD COST
-
ACTUAL MATERIAL COST
= TOTAL MATERIAL VARIANCE
When calculating new standard are on index number
The index increase is applied to the cost not just multiples alone to the material
So it’s material * (standard cost + index increase )
When calculating new standard are on seasonal variation
STANDARD IS THE ORIGINAL SET ONE IN TEXT
SEASONAL VARIATION IS APPLIED TO MONTH IN TEXT JUST TAKE OR ADD THE DIFFERENCE ONTO THE STANDARD PRICE