first part of this question. need help

second part

Roll Corporation (RC) currently has 485,000 shares of stock outstanding that sell for $40 per share. Assuming no market imperfections or tax effects exist, what will the share price be after: a. RC has a four-for-three stock split? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. RC has a 15 percent stock dividend? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. RC has a 54.5 percent stock dividend? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) d. RC has a 2 -for-7 reverse stock split? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) e. Determine the new number of shares outstanding in parts (a) through (d). (Do not round intermediate calculations and round your answers to the nearest whole number, e.g., 32.)