Explain what a tariff system is, provide examples, and differentiate between fixed and variable tariffs.

Here are the answers to your questions:

1.1 A tariff system is a pricing structure, often employing a sliding scale, where the cost of goods or services changes based on consumption levels or other factors. It can include fixed, prepaid, or tiered pricing structures for services like municipal utilities or commercial taxes on imported goods.

1.2 Three examples of tariff systems used in daily life are:

• Electricity tariffs (e.g., different rates for peak vs. off-peak hours, or tiered rates based on consumption).
• Water tariffs (e.g., increasing cost per kilolitre as usage increases, as shown in the table).
• Mobile phone data tariffs (e.g., pay-as-you-go rates, or different monthly package prices based on data allowance).

1.3 A customer should compare tariffs before choosing any to ensure they select the most cost-effective option that aligns with their expected usage, thereby saving money and avoiding unexpected high costs.

1.4 A fixed tariff means the price per unit or the total charge remains constant regardless of the amount consumed. A variable tariff means the price per unit or the total charge changes based on the level of consumption or other factors, often increasing with higher usage (a sliding scale).

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