When the quantity of credit is on the horizontal axis and the real interest rate is on the vertical axis, a decrease in savings behavior by household will tend to

A. Shift the supply of credit to the left and reduce real interest rates

B. Shift the supply of credit to the left and increase real interest rates

C. Shift the demand for credit to the left and reduce real interest rates

D. Shift the demand for credit to the left and increase real interest rates

E. None of the above - the relevant schedule will shift to the right