| Total Complexity | 11 |
| Dependencies | 2 |
| Dependents | 9 |
| Total lines | 71 |
| Lines of code | 27 |
| Logical lines of code | 16 |
| Comment lines | 32 |
| Methods | 3 |
| Properties | 3 |
| Method | Rating | Maintainability | Complexity | Lines of code |
|---|---|---|---|---|
| get_instance() | 62 | 4 | 11 | |
| calculate_shipping() | 63 | 4 | 10 | |
| validate_postcode() | 70 | 3 | 6 |