Meal Delivery Fast (MDF) 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 MDF. MDF allocates variable and fixed overhead costs on the basis of delivery time. MDF's owner, Jason Clark, obtains the following information for May 2014 overhead costs: EEB (Click the icon to view the information.) Requirements 1. Compute spending and efficiency variances for MDF's variable overhead in May 2014. 2. Compute the spending variance and production-volume variance for MDF's fixed overhead in May 2014. 3. Comment on MDF's overhead variances and suggest how Jason Clark might manage MDF's variable overhead differently from its fixed overhead costs