What could be the reason for a bond price to have declined from time you purchased it? Group of answer choices A. There is a change in the price of the bond selling at a discount, without any change in the required yield, simply because the bond is moving toward maturity. B. For an inverse floater, generally the price should decrease with an increase in reference rate. C. There is a fall in the required yield owing to a change in the yield on comparable bonds (i.e., a change in the yield required by the market).(CHECK) D. There is a fall in required yield resulting from an improvement in the credit quality of the issuer