Using the data from Table 12.3, what is the volatility of an equally weighted portfolio of Boeing and Starbucks stock? The volatility of the portfolio is %. (Round to one decimal place.) Data Table TABLE 12.3 Estimated Annual Volatilities and Correlations for Selected Stocks (Based on Monthly Returns, January 2006-December 2015) Standard Deviation Microsoft StarbuckS Netflix Coca-Cola McDonald's Cisco Boeing Source: Authors' calculations based on data from The Center for Research in Security Prices. Cisco 28% 0.52 0.52 0.10 0.27 0.28 Boeing 26% 0.28 0.48 0.10 0.34 0.37 0.46 Microsoft 25% Netflix 61% Coca-Cola McDonald's Starbucks 29% 16% 0.40 0.23 0.00 14% 0.43 0.17 0.13 0.59 0.35 0.35 0.18 0.40 0.43 0.52 0.28 0.19 0.19 0.23 0.17 0.52 0.48 0.00 0.13 0.10 0.10 0.59 0.27 0.34 0.28 0.37 0.46