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Volusia, Inc. is a U.S.-based exporting firm that expects to receive payments denominated in both euros and Canadian dollars in one month. Based on today's spot rates, the dollar value of the funds to be received is estimated at $174.793 for the Canadian dollars and $658,290 for the euros. Based on data for the last 50 months, Volusia estimates the standard deviation of monthly percentage changes to be 8 percent for the euro and 3 percent for the Canadian dollar. The correlation coefficient between the euro and the Canadian dollar is 0.82. What is the portfolio standard deviation? (Round the final answer to decimal places. The answer is in percent. Do not put % sign)