Problem 17 (Mix and Yield Variance) The material A, material B and material Care mixed in a standard ratio of 5:4:1 respectively. The standard quantities and costs of all three types of materials to produce 1,000 tons of product K are given below: Materials Quantity Cost/Ton Amount Material A 550 tons P43.00 P23,650 Material B 440 tons P35.00 P15,400 Material C 110 tons P25.00 P2,750 During the month of March, the following quantities of materials were sent to the factory and 32,340 tons of product K was produced. Material A 18,700 tons Material B 11,000 tons Material C 4,400 tons Total Actual Input 34,100 tons Required: Compute the materials mix and yield variances