題組內容

3. You can find a Consumer Price Index (CPI) table of a fictional country 'Ostania' below, and answer the following two questions:(8%)

(2) Mr Loid Forger has been living in Ostania since 2020 and has earned €4250 net per month in 2020. In 2022 his salary was €4650 net per month. Has Mr Forger's salary, when adjusted for inflation, increased or decreased in 2022 compare to 2020? By what percentage? Show your calculations! (round to 2 decimals).