Using the data from Table 12.3 B:, what is the volatility of an equally weighted portfolio of Microsoft and Coca-Cola 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 2009 December 2018) Netflix Coca-Cola Cisco Standard Deviation Starbucks 20% Microsoft 22% McDonald's 13% Boeing 23% 62% 13% 24% Microsoft Starbucks Netflix Coca-Cola McDonald's Cisco Boeing 1 0.29 0.23 0.32 0.33 0.52 0.31 0.29 1 0.05 0.30 0.31 0.21 0.19 0.23 0.05 1 -0.04 0.00 0.10 0.19 0.32 0.30 -0.04 1 0.53 0.11 0.30 0.33 0.40 0.00 0.53 1 0.22 0.24 0.52 0.36 0.10 0.11 0.22 0.40 0.36 0.21 0.30 0.24 0.43 1 1 0.43 Source: Authors' calculations based on data from Yahoo Finance