Zombie Manufacturing Company is expected to pay a dividend of $4 in the upcoming year. Dividends are expected to grow at 7.1% per year. The risk-free rate of return is 2.1%, and the expected return on the market portfolio is 8.1%. Investors use the CAPM to compute the market capitalization rate and use the constant-growth dividend discount model to determine the value of the stock. The stock's current price is $87. What is your estimate for the market capitalization rate of this asset? Pleas answer in percents to two decimal places. Thank you!