```json
{
  "price": 175,
  "message": "You chose 150, I'm at 175. Both at 175=3170 profit each. Both at 150=2341 each. Cooperation beats competition by 800+. Let's meet at 180-195? Clear mutual gain.",
  "note": "Priced at 175 to acknowledge prior defection while signaling commitment to high-price cooperation. Transparent profit analysis in message targets rational reciprocation."
}
```