The process by which an decrease in the money supply changes equilibrium is described by which of the following sequences?

A. MS down; interest rate up; investment spending up; equilibrium income up. .
B MS down; interest rate up; investment spending down; equilibrium income down
C. MS down; interest rate down; investment spending down; equilibrium income down. .
D. MS down; interest rate down; investment spending up; equilibrium income down
E. MS down; interest rate down; investment spending up; equilibrium income up.