For Each Carload of Ore Removed from the Matchless Mine

question 3

Multiple Choice

For each carload of ore removed from the Matchless Mine, 1 pound of lead and 1 ounce of silver is smelted.The cost of mining and processing 1 carload of ore is C(Q) = 300 + 3Q + 0.02Q².The demand for silver (per ounce) is P_s = 30 - 0.10Q_s and the demand for lead (per pound) is P_l = 6 - 0.03Q_l.What should the owners of the Matchless Mine do to maximize profits (in the long run) ?

• A)Mine and process 150 carloads of ore, sell 150 ounces of silver, and sell 30 pounds of lead.
• B)Mine and process 150 carloads of ore, sell 150 ounces of silver, and sell 100 pounds of lead.
• C)Mine and process 110 carloads of ore, sell 110 ounces of silver, and sell 110 pounds of lead.
• D)Mine and process 112.50 carloads of ore, sell 112.50 ounces of silver, and sell 100 pounds of lead.
• E)Shut down the mine.

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