situation.

$5.$ An operation has a $10$ percent scrap rate. As a result, $72$ pieces per hour are produced. What is the potential increase in labor

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productivity that could be achieved by eliminating the scrap?

$6.$ A manager checked production records and found that a worker produced $160$ units while working $40$ hours. In the previous week, the same worker produced $138$ units while working $36$ hours. Did the worker's productivity increase, decrease, or remain the same? Explain.

The following table shows data on the average number of customers processed b