Refer to the below table. The marginal product of the third unit of the resource is:

According to the article, we can conclude that the standard of living

A) is higher in Brazil because its citizens feel more control over their lives and have experienced job and wage growth. B) is higher in Japan because their life expectancy is longer. C) is higher in Japan because its GDP is higher. D) might be higher in Japan because it has a higher per capita real GDP but other factors such as Brazilians' satisfaction with their lives and economic growth should be considered when determining economic well-being.

Long-run economies of scale exist when the long-run average cost curve

a. rises. b. remains constant. c. falls. d. does not exist.