Question $2$: Portfolio Risk and Return

Today, the stock price of company A is $$40$ and the stock price of company B is $$50.$ You estimate that the two stocks will have the following prices one year from now, conditional on the state of the economy:

$\backslash$table$[[$State of Economy,Probability,Price of A$,$Price of B$],[$Good$,\mathrm{.}80,$$$50,$$$50$