Currently, XYZ Corporation can produce 50 units of output using 20 workers and 8 units of capital. Which of the following changes in the number of workers, units of capital, and quantity of output are consistent with constant returns to scale? Workers Capital Output
(A) 40 8 100 (B) 20 16 90
(C) 20 4 25
(D) 10 4 25
(E) 10 8 25