Answer:
The costs of passing a bill that prohibits child labor is precisely that all the labor that children could have provided for the economy is forgone. So in pure economic terms, there is a loss of value, a sunk cost.
However, the benefit is both economic, and social. The economic benefit is that children will instead go to school, and educate themselves to become more productive workers in the future. And the social benefit is a fairer society, and wealthier too.
The right answer for the question that is being asked and shown above is that: "d. A piece may only move into an unoccupied square." a rule in checkers is that d. A piece may only move into an unoccupied square.
