| Boston | Kampen | |
| Water bottle (1.5 liter) | USD 1.70 | USD 1.48 |
| Water bottle (0.33 liter) | USD 1.49 | USD 1.36 |
| Apartment (3 bedrooms) in city centre | USD 3 561.54 | USD 1 423.73 |
| Fitness club, monthly fee for 1 adult | USD 65.42 | USD 54.24 |
| Apples (1kg) | USD 3.88 | USD 4.46 |