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We have given that wages rates will rise next year and we have to choose correct option regarding Walkmans and similar products as explained below
Option (B) is correct i.e, supply curve for a walkman will shift leftward. As wages rises this will effect on production i.e, production cost will rise for walkman hence suppliers will produce less in next year therefore supply curve will shift leftwards.
Hence, option (b) is correct.
Option (b) is correct i.e, supply curve for walkman will shift leftward.