A monopolist earns a profit of $50 million annually and will have the same indefinitely.
![Present value of Perpetuity = D/r](https://img.qammunity.org/2019/formulas/business/college/jzji63botukw1w5lipsw03gj1v3o2u8ivl.png)
where D = Annuity ($50 million)
R = Rate of interest (10%)
![image](https://img.qammunity.org/2019/formulas/business/college/2ma4rhopbygk2og9ouccx72944lgv4cmne.png)
Therefore the current value is $500,000,000
Now, if another player enters the market.
![Present Value = $50,000,000/(1+0.1)^1 + $25,000,000/0.1](https://img.qammunity.org/2019/formulas/business/college/yesj7yu0irfp5df0e5v38o93wjgo5elypp.png)
![image](https://img.qammunity.org/2019/formulas/business/college/2cmrwvhlh4g2j21kffar605eh4cx5jnbrb.png)
Therefore, the present value of future period is $295,454,545.45