Which of the following statements is CORRECT, other things held constant? a. If individuals increase their savings ratio, interest rates are linearly to increase. b. If expected inflation increase, interest rate are likely to increase. c. Interest rates on all debt securities tend to rise during recessions because recessions increase the possibility of hence the of all debt securities. d. Interest rates on long-term bonds are more than rates on short-term debt securities like T-bills. e. If companies have good investment opportunities, interest rate are likely to increase