| Detroit | Alcalá De Henares | |
| Tennis court rent (1 hour on weekend) | USD 12.50 | USD 14.71 |
| Tomato (1kg) | USD 2.93 | USD 2.00 |
| One-way ticket (local transport) | USD 2.00 | USD 2.03 |
| Rice (white) | USD 1.87 | USD 1.39 |
| Apartment (3 bedrooms) in city centre | USD 1 378.57 | USD 1 164.45 |