Does someone know how to do these?

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9. DDA Co. has 2.0 million shares of $2 par value common stock outstanding. The stock is trading at $15 per share. The company has declared a 4 for 5 reverse split. a. What will be the number of common shares outstanding after the reverse split? b. What will be the share price after the reverse split? $ 10. CCD Co. common stock is trading today, May 18, at $20 per share. The company has declared a dividend of $2 per share. The ex dividend date is tomorrow, May 19. Based solely on this information, what do you expect the stock price to be at the opening of trading tomorrow morning, May 19