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What is the expected return and standard deviation of a portfolio consisting of $10200 invested in a risk-free asset with an 8.9 . percent rate of return, and $3400 irvested in a risky security with a 20.9-percent rate of return and a 25.9 -percent standard deviation? 11.90 percent, 6.475 percent 17.90 percent, 19.425 percent 6.475 percent. 11.90 percent 19.425 percent, 17.90 percent What is the expected return and standard deviation of a portfolio consisting of $10200 invested in a risk-free asset with an 8.9 . percent rate of return, and $3400 irvested in a risky security with a 20.9-percent rate of return and a 25.9 -percent standard deviation? 11.90 percent, 6.475 percent 17.90 percent, 19.425 percent 6.475 percent. 11.90 percent 19.425 percent, 17.90 percent