Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Figure 7A-2
-At Q = 100 in Figure 7A-2, to be producing at least cost, the ratio of (marginal productivity of land) /(marginal productivity of labor) must be:

A) 1.
B) 1.5.
C) 1.67.
D) 2.
E) It cannot be determined from the information given.