Under SAMR and MOT regulations, what constitutes illegal unfair price competition by ride-hailing platform companies?

1. Providing periodic holiday promotional discount vouchers funded within reasonable operating budgets
2. Dumping transport services at prices below cost (低于成本价排挤竞争对手) to establish an unlawful market monopoly or disrupt market order
3. Charging transparent expressway tolls based on actual highway electronic toll collection receipts
4. Displaying dynamic surge pricing multipliers during severe blizzards