On Feb. 15, 2021, Oyster Companys truck storage shed is destroyed by a mudslide. Blue had purchased the shed for $400,000 and had taken depreciation expense of $100,000 when it is destroyed. After it was destroyed, the company received $600,000 from the insurance company. In July 2022, the company bought a new shed for $500,000.

1. Calculate Oysters realized gain.

2. Calculate Oysters recognized gain.

3. Calculate Oysters deferred gain.

4. Calculate Oysters basis in the new shed.