Suppose the value of the S&P 500 Stock Index is currently $1,350. If the one-year T-bill rate is 3.1% and the expected dividend yield on the S&P 500 is 2.2%. a.) what should the one-year maturity futures price be? b.) what would the one-year maturity futures price be, if the T-bill rate is less than the dividend yield, for example, 1.2%?