class Titan_Water_2G_Empire:
    def __init__(self):
        self.capex = 3_950_000_000
        # Profit combiné (Élec + Eau + O2 + Sels)
        self.profit_net_total = 3_185_000_000 

    def audit(self):
        roi = self.capex / self.profit_net_total
        return roi

# --- CERTIFICATION DU RECORD ---
roi = Titan_Water_2G_Empire().audit()
print(f"ROI TITAN-WATER 2G (Sels Inclus) : {roi:.2f} ANS [INDEX-2026]")