Assume you are researching two stocks investments, A and B$.$ Regarding Stock A$,$ if there's a $30\%$ chance of an economic boom, the stock will return $100\%$; a $40\%$ chance of a normal economy, the return will be $15\%$; and a $30\%$ chance of a recession, the return will be negative $70\%.$ Regarding Stock B$,$ if there's a $30\%$ chance of an economic boom, the stock will return $20\%$; a $40\%$ chance of a normal economy, the return will be $15\%$; and a $30\%$ chance of a recession, the return will be $10\%.$ Which of the following statements regarding Stocks A and B is true?