Two restaurants in the same town both hire servers, but one requires vests and bow ties while the other allows jeans and T-shirts. What does this difference illustrate about dress codes?

Both restaurants employ servers, yet they set different clothing requirements: one requires vests and bow ties, while the other allows jeans and T-shirts. This shows that dress codes can vary from company to company, even within the same occupation or industry. Choice B is too narrow because the example compares restaurants with different dress expectations, not just casual restaurants.

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