An Increase in Disposable Income Shifts the Supply of Loanable

An increase in disposable income shifts the supply of loanable funds curve

A) leftward and increases the real interest rate.
B) leftward and decreases the real interest rate.
C) rightward and decreases the real interest rate.
D) rightward and increases the real interest rate.
E) rightward and the demand for loanable funds curve leftward.