Which of the following reflects the order of operations when the fed lowers the discount rate? a. money supply increases, interest rates decrease, investment spending increases, as shifts right b. money supply decreases, interest rates increase, investment spending decreases, ad shifts left c. money supply increases, interest rates increase, investment spending increases, ad shifts right d. money supply decreases, interest rates increase, investment spending decreases, as shifts left e. money supply increases, interest rates decrease, investment spending increases, ad shifts right