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Mangia Pizza Company makes frozen pizzas that are sold through grocery stores. Mangia uses two types of direct labor: machine operators and packers. Mangia developed the following standard mix for spreading on premade pizza shells to produce 17 giant-size sausage pizzas. Mangia's recent batch (designed to produce 500 pizzas) used 500 direct labor hours. Of the total, 200 were for machine operators, and the remaining 300 hours were for packers. The actual yield was 780 pizzas. Required: Instructions for parts 2 and 3: If a variance is zero, enter " 0 " and select "Not applicable" from the drop down box. 1. Calculate the standard mix (SM) in hours for machine operators and for packers. 2. Calculate the mix variance. $ 3. Calculate the actual proportion of hours worked by machine operators and by packers. Using the results, would the direction of the mix variance be favorable or unfavorable