QUESTION $7$

Data on GDP per capita across countries indicates that once PPP adjustments are made, there is little difference in GDP per capita between so$-$called "advanced economies" and "emerging economies"

the poorest countries in the world generate less than or just over $$1000$ in per capita GDP each year

if growth rates increase by $1\%,$ then GDP per capita will double over $20$ years

none of the above