| Boston | Guelma | |
| One-way ticket (local transport) | USD 2.50 | USD 0.25 |
| Coke bottle | USD 1.80 | USD 0.64 |
| Cinema, international release, 1 seat | USD 12.00 | USD 3.78 |
| Chicken breasts at the market | USD 8.02 | USD 4.39 |
| Apartment (3 bedrooms) in city centre | USD 3 561.54 | USD 432.58 |