help , If you answer me please don't forget question 4 it important subject :Macroeconomics 3: What type of GDP measure

[answerhappygod]

help , If you answer me please don't forget question 4 it
important
subject :Macroeconomics
3: What type of GDP measure would be best to estimate the total
size of an economy? What would you use to estimate average
wealth?
4: If you wanted to compare the average income of two countries,
what is the best GDP measure to use? Explain why this is the case
if we are comparing two countries.