Appendix Haddas Ltd. makes Healthy Life, a nutritional aid. For a 50-pound batch, standard material and labor costs are as follows: Quantity Unit Price Total 23.0 pounds 27.0 pounds 10 pounds 0.8 hour 0.2 hour $0.18 per pound $4.14 0.11 per pound 2.97 0.06 per pound 0.60 14.00 per hour 11.20 7.00 per hour1.40 Wheat Barley Corn Skilled labor Unskilled labor During June, the following materials and labor were used in producing 600 batches of Healthy Life: Wheat Barley Corn Skilled labor Unskilled labor a. Calculate the material quantity, mix, and yield variances. Round your answers to the nearest dollar Material Mix Variance Material Yield Variance 17,400 pounds @ $0.20 per pound 15,500 pounds @ $0.12 per pound 10,300 pounds @ $0.09 per pound 390 hours $14.20 per hour 290 hours @ $7.90 per hour Favorable Unfavorable Material quantity variance b. Calculate the labor efficiency, mix, and yield variances Labor Mix Variance Unfavorable Favorable Labor Yield Variance Unfavorable Labor Efficiency Variance Unfavorable