Consider the following information:

State of Economy Probability of State of Economy Rate of Return if State Occurs

Stock A Stock B Stock C

Boom $0\mathrm{.}250\mathrm{.}190\mathrm{.}300\mathrm{.}24$

Good $0\mathrm{.}200\mathrm{.}130\mathrm{.}210\mathrm{.}10$

Poor $0\mathrm{.}100\mathrm{.}040\mathrm{.}120\mathrm{.}01$

Bust $0\mathrm{.}450\mathrm{.}120\mathrm{.}320\mathrm{.}10$

a$.$ Your portfolio is invested $35$ percent each in Stocks A and C and $30$ percent in Stock B$.$ What is the expected return of the portfolio?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

b$-1.$ What is the variance of this portfolio?

Note: Do not round intermediate calculations. Round your answer to $5$ decimal places.

b$-2.$ What is the standard deviation?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.