please answer all questions

1) Consider the following short-run production function: Q = 51C.2 ll? 3 where Q is the output and Lie amount of labor. (a) Calculate average product of labor. (b) Calculate marginal product of labor. (c) Calculate level of Lat which labor productivity is maximized. (d) At what level of L do diminishing marginal returns begin? (e) Calculate the range of Lin region I of production (region of increasing marginal returns). (f) Calculate the range of Lin region II of production (region of decreasing marginal returns)