problem: Using the formula given in class, and your covariance results from 3., compute the variances for each of the portfolios.
Return on portfolio 1

Return on portfolio 1

Return on portfolio 1

























Portfolio1: consists of 30 percent invested in asset A & 70 percent invested in Asset B.
Portfolio2: consists of 50 percent invested in asset A & 70 percent invested in Asset B.
Portfolio3: consists of 70 percent invested in asset A & 30 percent invested in Asset B.