Tariff Systems (Grade 11 NSC Matric Mathematical Literacy): Flashcards

Pricing structure used by utilities to charge for services used

Different usage portions charged at different rates

First portion cheap/free, each bracket costs more per unit

Calculate each bracket separately, then add together

Kilolitres (kl)

$\text{Rate per kWh} \times \text{Total kWh used}$

Service charge, Network charge, Consumption charge

Usage level where two tariff systems cost the same

Looks like stairs going upward

$\frac{\text{New}-\text{Old}}{\text{Old}} \times 100$