If the S&P 500 return is 10%, you could expect (all else equal), the following to be correct? I. The return on small cap stocks to be greater than 10%. II. The return on t-bills to be less than 10%. III. The return on corporate bonds to be greater than 10% IV. The return on government bonds to be less than 10% I and III only b. I and IV only I, II, and III only d. I, II, and IV only a. c