Suppose that in one year, the economy in a hypothetical country produces 1,000 units of output using 200 units of labor. Then in the next year, it produces 1,200 units of output using the same 200 units of labor.
Which of the following gives a correct expression for labor productivity in the first year?
A. 20%
B. 5
C. 5 units of labor per unit of output
D. 20
E. 5 units of output
F. 5 units of output per unit of labor
G. 20% per year
H. 5 units of labor