Which of the following are the "Key Reasons why Bond prices change"?

	A.	Bond prices and yields move in the opposite direction
	B.	Interest rate changes impact low coupon bond prices more (compared to high coupon bonds)
	C.	Bond prices and yields move in the same direction
	D.	Bond prices converge to PAR with passage of time
	E.	Interest rate changes impact longer maturity bond prices more (compared to shorter maturity bonds)