There is a 11.75% probability of a below-average economy and a 88.25% probability of an average economy. If there is a below-average economy, Stocks A and B will have returns of -4.08% and -7.58% , respectively. If there is an average economy, Stocks A and B will have returns of 11.55% and 15.96%, respectively. Compute the following for Stocks A and B: (Please write all answers as percentages (e.g. .1234 should be written as 12.34):

1. Stock A Expected Return: %
2. Stock B Expected Return: %
3. Stock A Standard Deviation: %
4. Stock B Standard Deviation: %