Nick considers forming a portfolio (P) that contains a government bond and IBM shares. The table below shows the information about the returns and risk of the two assets. Expected Return E(R) Standard Deviation o Government Bond 1% 0 IBM 5% 0.8% Which choice below shows the risk-return relation of Nick's portfolio? a. E(Rp) = 196 + 50p. b. E(Rp) = 196 +20p. c. E(Rp) = 5% + Op. d. E(Rp) = 596 +20p O e. None of the above