Which of the following statements is correct? Group of answer choices Between 1953 and 2011, increases in the quantity of labor account for more of the growth in U.S. real GDP than do increases in labor productivity. Between 1953 and 2011, increases in labor productivity account for more of the growth in U.S. real GDP than do increases in the quantity of labor. Between 1953 and 2011, all growth in U.S. real GDP can be attributed to increases in labor productivity. Between 1953 and 2011, all growth in U.S. real GDP can be attributed to increases in the quantity of labor