An Investor can design a rlsky portfollo based on two stocks, A and B. Stock A has ar expected return of 19% and a standard devlation of return of 36%. Stock B has ar expected return of 14% and a standard deviation of return of 21%. The correlation coefficient between the returns of A and B is 5 . The risk-free rate of return is 7%. The proportion of the optimal risky portfolio that should be invested in stock B is approximately Multiple Chorce 37% 50% 50% 63% A coupon bond that pays semlannual interest is reported in the Wall Street Joumal as having an ask price of 125% of Its $1,000 par value. If the last interest payment was made 3 months ago and the coupon rate is 6.80%, the involce price of the bond will be Multiple Choice $1,250.00 $1,284.00 $1,267.00 $1,216.00 A bond pays annual interest its coupon rate is 7.8%. Its value at maturlty is $1,000. It matures in 4 years. Its yleld to maturity is currently 4.8%. The duration of this bond is years. Multiple Chorce 4.00 3.44 3.61 3.23