Which of the following is NOT a correct statement? Please choose "All statements are correct" if all other statements (except this one) are correct. O a Equity securities have no fixed maturity date Ob DDM cannot be applied to firms without any expected dividend payments Oc. All statements are correct. Od Interest payments are a legal obligation of the firm only after the board of directors declares them O e DDM cannot be used when the firm's growth rate equals the investor's required rate of return on the stock