Me the meaning of utility in economics and explain why it is different from one consumer to another.

Utility in economics is the ability of something to satisfy needs and/or wants. It represents the satisfaction that is experienced by the consumer of a good or service.

it is different than each other because they have to different reasons to be used.

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a progressive tax is a tax that imposes a lower tax rate on low-income earners compared to those with a higher income, making it based on the taxpayer's ability to pay. that means it takes a bigger percentage from high income earners than it does from low income people.