Chart options:

1: 7.8/7.2/6.0/6.6

2. 4.7/3.8/4.2/5.2

3. 4.5% / 5.07%/ 5.63% / 6.19%

The expected return for asset A is 5.50% with a standard deviation of 6.00%, and the expected return for asset B is 5.75% with a standard deviation of 2.00% Based on your knowledge of efficient portfolios, fill in the blanks in the following table with the appropriate answers. What is the efficient proportion of asset A within the portfolio for case III? 0.64 0.10 0.00 0.56