Estimate the current Market Risk Premium implied by the Gordon DDM

Estimate the current Market Risk Premium implied by the Gordon DDM
Please estimate the market risk premium that is currently implied by the Gordon Dividend Growth Model based on currently available market values for the S&P 500 Index. Please use current 10-year U.S. Treasuries as the risk-free rate (google it) and you can find S&P 500 earnings estimates here to calculate the estimated growth rate: http://www.yardeni.com/pub/peacockfeval.pdf. The dividend yield is widely available online.