Hello Mariana,
By the definition, the Total Direct Materials Variance or another variance of the same type can also be found by calculating the difference between the values on the Flexible Budget and the on the Actual Results.
I think this image helps with the explanation:

Good study!
Pedro Perdigão
By the definition, the Total Direct Materials Variance or another variance of the same type can also be found by calculating the difference between the values on the Flexible Budget and the on the Actual Results.
I think this image helps with the explanation:

Good study!
Pedro Perdigão