The following table summarizes prices of various default-free zero-coupon bonds (expressed as a percentage of the face value): LOADING.... a. Compute the yield to maturity for each bond. b. Plot the zero-coupon yield curve (for the first five years). c. Is the yield curve upward sloping, downward sloping, or flat?

Maturity (years)	1	2	3	4	5
Price (per $100 face value)	$95.83	$91.40	$86.76	$81.90	$76.85