SLA Tier Design Prompt

Design SLA tiers for our customer support.

Business type: [describe]
Customer segments: [free / pro / enterprise]
Ticket volume: [per week or month]
Team size: [agents]
Current response times: [how long today?]
Contractual requirements: [if any]

Please design:
1. Priority tiers (P1-P4) with clear definitions and examples
2. SLA targets by priority: first response and resolution time
3. SLA targets by customer tier
4. Business hours vs 24/7 approach
5. Breach escalation: what happens when SLA is at risk?
6. How to communicate SLAs to customers