24 of 30 The appropriate discount rate to be used when analyzing an investment project is: . The internal rate of return on that investment project. Ob. The CAPM return calculated using the firm's past beta. O c. The coupon rate for the firm's newly issued 10-year corporate coupon bond. O d. The WACC calculated based on the firm's existing assets. The rate of return financial markets offer on investments of similar risk. Unsure