EXERCISE SESSION $1$

GDP deflator, CPI, consumer price index

Consider the data in the following table, which represents the total production of the country Byzantium, a country that produces only consumer goods.

$\backslash$table$[[,2018,2019,2020],[$Quantity of $Y,100,105,103],[$Quantity of $x,5,3,4],[$Price of $Y,$$$5,$$$5,$$$5$