Which characteristic best describes the Treasury yield curve? a. Coordinates of the yield curve are interest rate on the horizontal axis and term to maturity on the vertical axis b. The curve depicts the spread between corporate bonds and Treasury bonds c. The curve normally begins flat and steepens to the right d. The curve normally begins with a steep upward slope that flattens to the right e. Coordinates of the yield curve are yield to maturity on the horizontal axis and term to maturity on the vertical axis