Meals on Wheels (MOW) operates a meal home-delivery service. It has agreements with 20 restaurants to pick up and deliver meals to customers who phone or fax orders to MOW. MOW allocates variable and fixed overhead costs on the basis of delivery time. MOW’s owner, Josh Carter, obtains the following information for May 2012 overhead costs:

                                

Required
1. Compute spending and efficiency variances for MOW’s variable overhead in May 2012.
2. Compute the spending variance and production-volume variance for MOW’s fixed overhead in May 2012.
3. Comment on MOW’s overhead variances and suggest how Josh Carter might manage MOW’s variable overhead differently from its fixed overhead costs.