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At PlastiPharm, delivery of products to the right customer at the right time is of paramount importance. The transportation manager must stay on top of when shipments are received by customers, not just when they leave the company$$s shipping dock. In certain parts of the United States, the transportation manager schedules delivery, if possible, in the early hours of the morning or late at night. Why would the transportation manager want to schedule deliveries at these times? Please choose the best explanation.