Required: 1. Create a new standard cost card that separates the variable manufacturing overhead per unit and the fixed manufacturing overhead per unit. 2. Compute the materials price and quantity variances. Also, compute the labor rate and efficiency variances. 3. Compute the variable overhead rate and efficiency variances. Also, compute the fixed overhead budget and volume variances. 4. What effect, if any, does the choice of a denominator activity level have on unit standard costs? Is the volume variance a controllable variance from a spending point of view? Explain