Consider the following diagram, which includes a concave line of best fit: 40,000- •US 35,000- •Belgium Switzerland 30,000- •UK 25,000- Japan 20,000 •Taiwan 15,000 - 10,000- •Ecuador 5,000 - slndia...

Extracted text: Consider the following diagram, which includes a concave line of best fit: 40,000- •US 35,000- •Belgium Switzerland 30,000- •UK 25,000- Japan 20,000 •Taiwan 15,000 - 10,000- •Ecuador 5,000 - slndia 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Which of the following statements is correct? Select one: O a. The line of best fit suggests that if capital intensity doubles, output per person doubles. O b. The line of best fit implies that there are diminishing returns to scale. O c. The line of best fit suggests that the USA may have a higher value of "z" than Japan. O d. Workers in Japan were more productive than in the UK because they had higher capital per worker. GDP per worker (1985 PPP S)