Test: Exam 2 CE This Question: 2 pts Consider the following average annual returns: Investment Average Return Small Stocks 23.4% S&P 500 13.9% Corporate Bonds 7.9% Treasure Bonds 6.9% Treasury Bills 4% What is the excess return for corporate bonds? OA. 7.8% OB. 2% OC. 3.9% OD. 0%