| Boston | Cao Lanh | |
| Utilities (Electricity, Heating, ...) for medium apartment | USD 204.32 | USD 49.65 |
| Water bottle (0.33 liter) | USD 1.49 | USD 0.33 |
| 1 min. of prepaid mobile tariff | USD 0.08 | USD 0.11 |
| Mid range bottle of wine | USD 12.00 | USD 9.44 |
| One-way ticket (local transport) | USD 2.50 | USD 0.24 |