If your firm's stock sells for $30 per share and has a beta of 1.2, the required return on the market is currently 12.5% and the risk-free rate is 3.5%, the required return on your firm's stock is . (Round your answer to four decimal places; do not enter dollar or percentage signs). your firm's beta decreases, the required return on your firm's stock will (enter increase, decrease or stay the same)