A) Explain why zero-coupon bonds are less valuable than coupon bonds given same maturity value(M), term-to-maturity (N), and yield-to-maturity (YTM)

B) For a given change in yield, which type of bonds, zero-coupon or coupon, is more price volatile? Why?

C) Explain why it is more difficult to value a common stock than a preferred stock

D) For common stock, should we consider stock dividends in valuation? Why? or Why not

Please explain with specific reasons and discussion