8. (10 points) Questions: (1) Company X is currently trading at $30 per share. Company Y has just announced that it is willing to pay $42 per share to acquire company Xs all outstanding shares. However, Company X's management immediately rejects this offer. Do managers of company X act in shareholders' best interests? Why or Why not? (2) We have learned several stock valuation methods, such as DDM (Dividend Discounted Model), DCF (Discounted Free Cash Flow Model), P/E EV/EBITDA, P/S, etc. What are the advantages and disadvantages of each valuation model