Level | Cost | Comprehension | Notes |
1 | 7 | 33% | Basic comprehension and vocabulary. |
2 | 5 | 66% | Better understanding; increased vocabulary. |
3 | 4 | 80% | Understanding of structure. |
4 | 3 | 90% | Uses language correctly, but accent is still detectable. |
5 | 3 | 100% | Native speaker. |
6 | 4 | 100% | Studied the language/Expert. |