A manufacturer receives an order for 5,000 items. He owns 12 machines, each of which can produce 25 items per hour. The cost of setting up a machine for a production run is $20. Once the machines are in operation, the procedure is fully automated and can be supervised by a single worker earning $4.90 per hour. Find the number of machines that should be used in order to minimize the total cost of filling the order.
A) 6
B) 7
C) 8
D) 9

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The Answer of A manufacturer receives an order for 5,000 items. He owns 12 machines, each of which can produce 25 items per hour. The cost of setting up a machine for a production run is $20. Once the machines are in operation, the procedure is fully automated and can be supervised by a single worker earning $4.90 per hour. Find the number of machines that should be used in order to minimize the total cost of filling the order.
A) 6
B) 7
C) 8
D) 9

A Manufacturer Receives an Order for 5,000 Items