What are the expected returns for stocks X and Y? 10 = 0.04 by = 1.2 11 -0.035 b.2-0.75 12 -0.045 by.1 -0.55 by.2 - 1.45 11.58 percent and 12.45 percent O 11.58 percent and 12.8 percent 11.58 percent and 18.23 percent 12.8 percent and 11.58 percent 18.2 percent and 16.45 percent What does WRF = -0.50 mean? The investor can borrow money at the cutent market rate The investor can borrow money at the risk-free rate. The investor can lend money at the prime rate of interest. The investor can lend money at the current market rate. The investor can borrow money at the prime rate of interest