Silver Corporation has 2,000 shares of common stock outstanding. Howard owns 600 shares, Howard's grandfather owns 300 shares, Howard's mother owns 300 shares, and Howard's son owns 100 shares. In addition, Maroon Corporation owns 500 shares. Howard owns 70% of the stock in Maroon Corporation.

a. Applying the 318 stock attribution rules, how many shares does Howard own in Silver Corporation?

b. If Howard owned 40% of the stock of Maroon Corporation, how many shares does Howard own, directly and indirectly, in Silver Corporation?

c. Assume the same facts as in (a) above, but in addition, Howard owns a 25% interest in Yellow Partnership. Yellow owns 200 shares in Silver Corporation. How many shares does Howard own, directly and indirectly, in Silver Corporation?

I need all three of these answered, please and thank you. Please show all calculations and provide an explanation for your calculations. Thanks!