Please, can you solve this question by using hand-written solution, step by step and recalling formulas

Problem 12-20 CAPM and Expected Return (LO2) Stock A has a beta of 0.5, and investors expect it to return 8%. Stock B has a beta of 1.5, and investors expect it to return 12%. Use the CAPM to calculate the market risk premium and the expected rate of return on the market. (Enter your answers as a whole percent.) Market risk premium Expected market rate of return % %