1. List causes that could lead to a variable overhead efficiency variance. 2. List causes that could lead to a fixed overhead spending variance. 3. List causes that could lead to a fixed overhead...

1. List causes that could lead to a variable overhead efficiency variance.

2. List causes that could lead to a fixed overhead spending variance.

3. List causes that could lead to a fixed overhead production volume variance

4. Would the choice of denominator level affect the amount of the fixed factory overhead budget variance? Fixed overhead production volume variance? Explain.