Answer:
c. The direction of the variance (favorable or unfavorable).
Explanation:
During the process of investigation of the variance ,
Materiality of the variance amount is considered , as the small variances are analyzed or not analyzed , but to a very low extent .
Frequency of occurrence , is important .
And the capacity of the management to control .
The direction of the variance , even it it is non favorable but the amount small , then there is no need for the investigation .
