Based on the explanation provided below, the opportunity cost of building the bridge is the hospital.
Opportunity cost refers to an alternative or an activity that is lost, forgone, or given up when another alternative or activity is chosen.
From the question, the opportunity cost of building the bridge is the hospital.
This is because the hospital is the alternative activity that will be given up, while the bridge will be chosen and built.
Learn more about opportunity cost: https://brainly.com/question/13036997.
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