You put 0.7 of your money in a stock portfolio that has an expected return of 14% and a standard deviation of 20%. You put the rest of you money in a risky bond portfolio that has an expected return of 6% and a standard deviation of 10%. The stock and bond portfolio have a correlation -0.4. The standard deviation of the resulting portfolio will be _____%. (please keep two decimal places, for example 12.98 for 0.1298)