Question

very useful book.
This is​

Answer 1

Answer:

which book ??

Explanation:

For the current 2021 fiscal year, low-income economies are defined as those with a GNI per capita, calculated using the World Bank Atlas method, of $1,035 or less in 2019; lower middle-income economies are those with a GNI per capita between $1,036 and $4,045; upper middle-income economies are those with a GNI per ..

Answer 2

Answer:

so you can use ti for your own study