9. Consider the production function Y = AIRK \"31.5\

9. Consider the production function Y = A1/ 2K l/ 31.5/9 and recall the definitions of "objects" and "ideas" form chapter 6. Which of the following statements is correct? a. b. c. d. The production function exhibits increasing marginal returns with respect to capital. The production function exhibits decreasing returns to scale with respect to ideas. The production function exhibits IRS with respect to objects and ideas jointly. Both b. and c. are correct.