Don't get these questions!' Please help!! Thank you

Two major media streaming services, Intermovies and Walter X, are considering whether to maintain or increase their monthly subscription rate. Since a significant percentage of their customers will sign up for a whole year, they will be unable to change their rates for at least a year once they set them. The relevant payoff matrix appears below for their daily profits. Walter X Maintain Increase Maintain $1,200, $900 $900, $800 Intermovies Increase $950, $1,150 $1,100, $1,000 a) Does Walter X have a dominant strategy? Explain, (b) Are Intermovies and Walter X likely to have many other competitors? Explain. c) If Walter X decides to maintain its monthly subscription rate, what is the better price move for Intermovies? (d) What might preserve the superormal profits of Intermovies and Walter X in the long run? (e) What is the profit of each firm in any Nash equilibrium/equilibria? (f) A new Federal Trade Commission tax regulation will cost each firm $100 per day if the firm increases its subscription rate, Draw a new payoff matrix to reflect this tax (g) What are Intermovies' and Walter X's dominant strategies (if any) after the tax? i. Intermovies it. Walter X (h) if the firms do not cooperate after the tax and act simultaneously, what will their new profits be