The International Chef, Inc. markets three blends of oriental tea: Premium, Duke Grey, and Breakfast. The firm uses tea leaves from India, China, and new domestic California sources.

Net profit per pound for each blend is $0.50 for premium, $0.30 for Duke Grey, and $0.20 for breakfast. The firm€™s regular weekly supplies are 20,000 pounds of Indian tea leaves, 22,000 pounds of Chinese tea leaves, and 16,000 pounds of California tea leaves. Develop and solve a linear optimization model to determine the optimal mix to maximize profit, and write a short memo to the president, Kathy Chung, explaining the sensitivity information in language that she can understand.

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Premium Duke Grey Breakfast Indian Chinese California 0.2 0.3 0.4 0.4 0.2 0.4 0.2 0.4 0.4