1. Which of the following best explains why wages in service industries have increased along with wages in manufacturing industries, even though service industry productivity has not increased as much? because a. the opportunity cost of working in the service industry is the wage in the manufacturing industry b. the opportunity cost of working in the manufacturing industry is the wage in the service industry C. the service and manufacturing industry are complements d. working in the service industry yields much more util e. MC >MB for service industry workers• 1. Which of the following best explains why wages in service industries have increased along with wages in manufacturing industries, even though service industry productivity has not increased as much? Because • a. the opportunity cost of working in the service • industry is the wage in the manufacturing industry. • b. the opportunity cost of working in the manufacturing • industry is the wage in the service industry. • c. the service and manufacturing industry are • complements. • d. working in the service industry yields much more • utility. • e. MC > MB for service industry workers