The Fido Company manufactures a popular brand of dog food. The dog food is mixed in batches. The standar input for material per batch to make 400 kilograms is as follows: The dog food is packed in cans weighing five kilograms. During the month of October, 11,200 cans were produced using 56,000 kilograms of material. The following materials were used during October: Purchases for REQUIRED: 1. Compute the following (DO NOT ROUND PERCENTAGES): a. the material efficiency variances for each ingredient. b. the material mix variance for each ingredient. c. the material yield variance for each ingredient