Assume the yield curve is flat and the T-bil rate is 5% The market return rate is 10% The requred rate of return for Stock Ais 11.3% An investor is forming a portfolio by investing $50,000 in stock A and $25,000 in stock B. Stock B has a bela of 1.5 What is the required rate of return an the investor's portfolo? Stack Required return TRE ru Beta Weight A , Select one O a 68% D 10.7% O c 11 70% O d. 102% O e 11.2% Clear my choice