help please

Which statements are CORRECT? Check all that apply: In DDM, the risk-adjusted discount rates can be replaced with treasury spot rates NYSE is a primary market Shareholder's total return comes from two sources only: dividend and capital gain By Dividend Discount Model (DDM), if a company never ever pays any cash dividend in the future, its stock should be worth zero GE recently announced the news to cut future dividend. The plan hardly affects its current stock price Stocks that don't pay dividend, such as, Amazon, Google, Facebook, etc., still have huge value. This contradicts DDM model In DDM, the stock price is called ex-dividend price because it is the price before current dividend is paid out