Following are four economic states, their likelihoods, and the potential returns:

Economic State Probability Return

Fast growth $0\mathrm{.}2168\%$

Slow growth $0\mathrm{.}4717$

Recession $0\mathrm{.}1724$

Depression $0\mathrm{.}1556$

Compute the expected return and standard deviation.

Note: Do not round intermediate calculations and round your answers to $2$ decimal places.

expected return:$\_\_\_\_\_\_\_\_\_\_\_\%$

standard deviation:$\_\_\_\_\_\_\_\_\_\_\_\_\%$