Selected operating information on three different companies for a recent year is shown below: Company Full-capacity MHs Budgeted MHs* Actual MHs Standard MHs allowed for actual production A 15,000 12,500 12,500 13,000 B 27,000 25,000 26,000 23,000 30,000 30,000 28,000 30,000 *Denominator activity level for computing the predetermined overhead rate Required: For each company, state whether the company would have a favourable or unfavourable volume variance. (Select "None" if no volume variance apply for a particular company.) Volume Variance Company A Company B Company C