_ A company is planning to manufacture a closed rectangular container with a square base , The material for the top and bottom costs $1 per square

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_ A company is planning to manufacture a closed rectangular container with a square base , The materialfor the top and bottom costs $1 per square foot , and the material for the sides cost $2 per square foot . Itthe company plans to spend $120 to make this container , what should be the dimensions of the containerto maximize it's volume ? Use calculus to find exact values . Be sure to verify that it is a maximum .