which one is a concept of macroeconomics: demand for potatoes , consumer price index , price of petrol , e-toll fee in gauteng , supply of pumpkin?

which one is macroeconomic issue : demand of houses in Cape Town , total sales of beer in SA , supply of tomatoes in SA , price of bananas in Natal?

what is the key to the way in which economist think?

which one is microeconomic issue : unemployment rate in Zimbabwe , price of maize in Lesotho , the South African inflation rate , rate of economic growth in Japan?