Which of the following statements is CORRECT about a yield curve?

a. A yield curve reflects the relationship between bond yields and the inflation rate.

b. A humped yield curve reflects interest rates lower than short term maturities.

c. A normal yield curve is generally humped.

d. An upward sloping yield curve is referred to as abnormal or inverted.

e. A downward sloping yield curve is referred to as abnormal or inverted