Use the table for the question(s) below. The following table summarizes the prices of various default-free zero-coupon bonds (expressed as a percentage of face value): Based on the information provided in the table above, you can conclude that the yield curve is upward sloping. that the yield curve is flat. that the yield curve is bell-shaped (medium-term interest rates are higher than both short- and long-term rates). that the yield curve is downward sloping. nothing about the shape of the yield curve