Tabitha helps her friends out by repairing their bikes for free. This is an 1 point example of: The hidden economy, which is not included in the GDP A non-market activity, which is included in the GDP The hidden economy, which is included in the GDP A non-market activity, which is not included in the GDP Which of the following best describes a limitation of the CPI? 1 point The CPI only accounts for inflation, not deflation The inflation rate can change depending on the base year used Not all families or individuals make the same purchases as a "typical" family Inflation changes from year to year, making the CPI unreliable