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Option 1: "fewer employees at shoe stores"
Explanation: The text discusses how mechanization in the retail sector has led to lower quality standards in service, specifically mentioning that customers now wait longer for assistance. The phrase 'fewer employees at shoe stores' directly correlates with the idea that reduced staff leads to longer wait times, supporting the main idea of the text regarding the negative impact of productivity increases on service quality.
Option 2: "more people in the que"
Explanation: While having 'more people in the queue' could imply longer wait times, it does not directly address the cause of the increased wait time mentioned in the text. The text emphasizes the reduction of staff as the primary reason for longer waits, making this option less relevant.
Option 3: "less number of executives present"
Explanation: This option suggests a reduction in executives, which does not relate to the context of customer service in retail stores. The text focuses on the number of employees assisting customers rather than executives, making this option irrelevant to the main point.
Option 4: "great level of exertion"
Explanation: This option introduces a concept of effort that is not discussed in the text. The text focuses on the relationship between mechanization, productivity, and service quality, and does not mention exertion or effort, rendering this option unrelated to the context.
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