Use the Following to Answer Questions 40-45

Use the following to answer questions 40-45:
Figure 15.10
-(Figure 15.10) Suppose the economy is achieving output efficiency at point I, where the marginal rate of transformation (MRT) is 1/4 and the marginal product of labor in the cereal industry is 12. Which of the following statements is (are) TRUE?

A) The marginal rate of substitution (MRS) between pancakes and cereal is 4.
B) The marginal product of capital in the pancake industry divided by the marginal product of capital in the cereal industry is 4.
C) The marginal product of capital in the pancake industry is 3.
D) MRS/MRT = 1/4.