The graph above indicates that:

A.  I' g is an investment schedule that assumes that the investment plans of business are

independent of the current level of income, whereas I g does not

B.  I g is an investment schedule that assumes that the investment plans of business are independent of the current level of income, whereas I'g does not

C.  The equilibrium level of investment is determined at the point where investment schedule

I' g crosses the I g investment schedule

D.  Investment schedule I' g shows the inverse relationship between real domestic product and investment

B.  I g is an investment schedule that assumes that the investment plans of business are independent of the current level of income, whereas I'g does not