| Chicago | Cambrai | |
| Water bottle (0.33 liter) | USD 1.36 | USD 2.15 |
| Water bottle (1.5 liter) | USD 1.52 | USD 1.08 |
| Apartment (1 bedroom) in city centre | USD 1 465.28 | USD 911.64 |
| 1 Pair of men leather shoes | USD 92.50 | USD 136.35 |
| Mid-range restaurant | USD 55.00 | USD 67.80 |