$$\text { The production function } Q ( L , K , M ) = 25 K ^ { 0.5 } L ^ { 0.5 } M ^ { 0.5 } \text { exhibits: }$$

Multiple Choice

$$\text { The production function } Q ( L , K , M ) = 25 K ^ { 0.5 } L ^ { 0.5 } M ^ { 0.5 } \text { exhibits: }$$

A) decreasing returns to scale.
B) constant returns to scale.
C) increasing returns to scale.
D) either decreasing or constant returns to scale, but more information is needed to determine which one.