Three employees at a fast-food restaurant each perform one of the three activities in serving a...

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Three employees at a fast-food restaurant each perform one of the three activities in serving a customer: take the order, process the order, and deliver the order. The processing time for each activity is given as follows: Activity Take the order Process the order Deliver the order Processing Time 30 seconds 2 minutes 1 minute Assume that the demand is 20 customers/hour. What is the average labor utilization? 38.9% 85.7% 66.7% 100% Three employees at a fast-food restaurant each perform one of the three activities in serving a customer: take the order, process the order, and deliver the order. The processing time for each activity is given as follows: Activity Take the order Process the order Deliver the order Processing Time 30 seconds 2 minutes 1 minute Assume that the demand is 20 customers/hour. What is the average labor utilization? 38.9% 85.7% 66.7% 100%