Which One of the Following Is the Computation of the Risk

Which one of the following is the computation of the risk premium for an individual security? E(R) is the expected return on the security, R_f is the risk-free rate, β is the security's beta, and E(R_M) is the expected rate of return on the market.

A) E(R_M) -R_f
B) E(R) - E(R_M)
C) E(R) - [E(R_M) + R_f]
D) β[E(R_M) - R_f]
E) β [E(R) - R_f]