Multigrain Bread Co. makes batches of 1,000 loaves of bread with the following standard mix and cost of grains: Rye 180 kg $3.60 Oats 240 kg $1.20 Wheat 180 kg $2.40 In analyzing one day of production, the following was used to produce 120,000 loaves of bread: Rye 22,320 kg Oats 30,240 kg Wheat 19,440 kg What is the total mix variance? a) $25920 b) $ 864U o) $ 864F d) $5.134 F