1)A portfolio has 180 shares of Stock A that sell for $45 per share and 140 shares of Stock B that sell for $27 per share. The weight of A is ? and the weight of B is ?,,2)You own a portfolio that has $2,950 invested in Stock A and $3,700 invested in Stock B. If the expected returns on these stocks are 11 percent and 15 percent, respectively, the expected return on the portfolio is ?,,3)You own a portfolio that is 60 percent invested in Stock X, 25 percent in Stock Y, and 15 percent in Stock Z. The expected returns on these three stocks are 9 percent, 17 percent, and 13 percent, respectively. The expected return on the portfolio is ?,,the rest Q will be in the attachment