a chemical manufacturer produces a product by boiling a mixture of a chemical compound in a solution. It takes one worker 35 minutes to process on batch of the product. Employees work an 8 hour day, which includes 1 hour for rest breaks and clean up. What is the standard labor time to produce one batch of the product? 45 mins 35 mins 40 mins 30 mins 2. standard labor hours per unit of output 8.3 hrs standard labor rate $12.10 per hour Actual hours worked = 6100 hours acutal total labor cost = $71370 Actual output = 900 units What is the labor efficiency variance for the month? $19,017 unfavorable $16029 favorable $16577 favorable $19017 favorable