Deluxe coffee is to be mixed with regular coffee to make at least 44 pounds of a blended coffee. The mixture must contain at least 14 pounds of deluxe coffee. Deluxe coffee costs $6 per pound and regular coffee $4 per pound. How many pounds of each kind of coffee should be used to minimize costs? To attain the minimum cost, use pounds of deluxe coffee and pounds of regular coffee.

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