Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect:

The demand curve for steel to shift to the right

Explanation:

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Substitutes goods are goods that can be used in place of one another. If the price of plastic increases, consumers shift to steel, its demand increases and the supply curve shifts to the right.

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answer; /// i do believe the correct answer is (possession utility);

i would say iii (3) because in order to compare a price you have to use as a reference other near stores because it's its

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