Use the information provided below for the risky and risk$-$free securities to answer questions $($a$)$ and $($b$).$ a$)$ On the expected return $-$ standard deviation graph below, plot the investment opportunity set formed by combinations of the risky security $($P$)$ and the risk$-$free security $($F$).$ Assume you can both invest and borrow at the risk$-$free rate. b$)$ Calculate the weights in the risky and risk$-$free securities required to earn a return of $14\%.$ Using these weights, calculate the standard deviation on this combined portfolio and identify the portfolio on the expected return $-$ standard deviation graph above