Which of the following statements is FALSE?

a$.$ The risk premium of a security is equal to the market risk premium $($the amount by which the market's expected return exceeds the risk$-$free rate$)$

divided by the amount of market risk present in the security$\text{'}$s returns measured by its beta with the market.

b$.$ A security with a negative beta has a negative correlation with the market, which means that this security tends to perform well when the rest of the

market is doing poorly.

c$.$ We refer to the beta of a security with the market portfolio simply as the 'securities beta'.

d$.$ There is a linear relationship between a share's beta and its expected return.