Cost of common stock equity- CAPM J&M Corporation common stock has a beta , b, of 0.7. The risk-free rate is 8%, and the market return is 12% a. Determine the risk premium on J&M common stock. b. Determine the required return that J&M common stock should provide. c. Determine J&M's cost of common stock equity using the CAPM. a. The risk premium on J&M common stock is %. (Round to one decimal place)