There is a $18\mathrm{.}00\%$ probability of a below average economy and a $82\mathrm{.}00\%$ probability of an average economy. If there is a below average economy stocks A and B will have returns of $5\mathrm{.}00\%$ and $4\mathrm{.}40\%,$ respectively. If there is an average economy stocks A and B will have returns of $5\mathrm{.}00\%$ and $-9\mathrm{.}60\%,$ respectively. Compute the:

Expected Return for Stock A:

Expected Return for Stock B:

Standard Deviation for Stock A:

Standard Deviation for Stock B: