Study Figure 3b, which shows selected quality of life indicators for two areas in Cape Town, South Africa.
| Indicator | Constantia (Outer suburb) | Khayelitsha (Township) |
|---|---|---|
| Population | 12,500 | 400,000 |
| Unemployment rate | 3.2% | 39.5% |
| Population living in informal housing | 0.1% | 64.0% |
| Average annual household income | R 720,000 | R 38,000 |
Explain one reason for the differences in quality of life shown.
