2. Consider the following production function: Y, = A,K,"L!. Assume that this production function is characterized by constant returns to scale and the share of labor in national income is 75 percent. a. Derive the growth accounting equation. (5 points) 1 b. Calculate the growth rate of output if labor grows at 4 percent per year, capital grows at 8 percent per year, and TFP (A) grows at 5 percent per year. What are the relative contributions of labor, capital, and TFP? (7 points)