The diagram contains three lines showing an economy’s exports, imports and trade balance from 2011 to 2019. How should the lines be labelled?
- Aline 1 exports, line 2 imports, line 3 trade balance
- Bline 1 exports, line 2 trade balance, line 3 imports
- Cline 1 imports, line 2 exports, line 3 trade balance
- Dline 1 imports, line 2 trade balance, line 3 exports