Which of the following is FALSE in relation to measures of yield? Group of answer choices A. The yield to maturity for a portfolio is the weighted average of the yield to maturity of all individual bonds in the portfolio, irrespective of their maturity. B. Yield to call calculation assumes that the issuer will call the bond at some assumed call date at a specific call price. C. Yield to worst is the lowest yield among yield to maturity, yield to every possible call date and yield to every possible put date. D. Current yield is equal to the yield to maturity when the bond trades at par