| Boston | Guelma | |
| Tennis court rent (1 hour on weekend) | USD 27.49 | USD 7.98 |
| Local cheese (1kg) | USD 14.26 | USD 7.24 |
| Taxi 1hour Waiting | USD 29.00 | USD 9.46 |
| Apartment (3 bedrooms) outside of centre | USD 2 206.67 | USD 284.69 |
| 1 Pair of Nike shoes | USD 95.45 | USD 105.65 |