please answer both of the question

Complete Portfolio Weights You put $3,500 in risk free T-Bills and $9,000 In a stock portfollo. The stock portfollo Is Invested as follows: In Stock A you put $4,500, in Stock B you put $3,000 and in Stock C you put $1,500. In the complete portfolo the welghts of Stock A, B and C are respectively, 46.00%, 40.00 % , 14.00 % O 36.00%, 22.00 % , 14.00 % O 36.00%, 24.00 %, 12.00 % 46.00%, 27.000% , 27.000% Asset Allocation Across Risky and Risk Free Portfolios An investor finds that the risk free rate 3.90 % when the expected return and standard deviation of a risky portfolo is 12% and 23 % respectively. If the investor places 55.00% of their money in the risky portfolio and the rest in the risk free asset the resulting complete portfollo expected return is and the standard deviation is 10.06%; 11.57% 7.73%; 12.21 % 8.36%; 12.65% 6.60%; 10.50% 2019 McG n All rights rese