| Philadelphia | Welkom | |
| Tennis court rent (1 hour on weekend) | USD 23.50 | USD 4.66 |
| Taxi 1hour Waiting | USD 10.00 | USD 4.20 |
| Apartment (3 bedrooms) in city centre | USD 2 425.00 | USD 466.11 |
| Water bottle (0.33 liter) | USD 1.48 | USD 0.53 |
| Water bottle (1.5 liter) | USD 2.08 | USD 0.93 |