For each of the following production functions, determine whether returns to scale are decreasing, constant or increasing. a. Q = 20K0.6 L0.5 b. Q = 100 + 3K + 2L c. Q = K/L d. Given the production function Q = 100K0.5 L0.5, find out MPL and MPK.

For each of the following production functions, determine whether returns to scale are
decreasing, constant or increasing.
a. Q = 20K0.6 L0.5 b. Q = 100 + 3K + 2L c. Q = K/L
d. Given the production function Q = 100K0.5 L0.5, find out MPL and MPK.