Which statement is correct?

		a. The higher the probability of default, the lower the yield to maturity will be.
		b. Long-term bonds have lower interest rate risk than short-term bonds.
		c. Long-term bonds have lower reinvestment rate risk than short-term bonds.
		d. All else equal, if a bond s yield to maturity increases, its price will increase.
		e. If a coupon rate exceeds its bond s yield to maturity, the bond will sell at a discount over par.