Answer each question by typing a lowercase letter, a set of letters in alphabetical order (example: a+b+c), or a number (without commas, decimals, or dollar signs) in the blank to the right of the question.

1		What area (letters) represents consumer surplus in the United States before trade?
2		What area (letters) represents consumer surplus in the United States with free trade?
3		What area (letters) represents the net effect of trade on consumers in the United States?
4		What area (letters) represents producer surplus in the United States before trade?
5		What area (letters) represents producer surplus in the United States with free trade?
6		What area (letters) represents the net effect of trade on producer in the United States?
7		What area (letters) represents total surplus in the United States before trade?
8		What area (letters) represents total surplus in the United States with free trade?
9		What area (letters) represents the total net effect of trade in the United States?
10		What area (letters) represents the net effect of trade on consumers in the rest of the world?
11		What area (letters) represents the net effect of trade on producers in the rest of the world?
12		What area (letters) represents the total net effect of trade on the rest of the world?
13		What is the size (a number) of producer surplus in the United States with free trade?
14		What is the size (a number) of the total net effect of trade in the United States?
15		What is the size (a number) of the net effect of trade on consumers in the United States?
16		What is the size (a number) of the net effect of trade on producers in the United States?
17		What is the size (a number) of the net effect of trade on producers in the R.O.W.?
18		What is the size (a number) of the net effect of trade on consumers in the R.O.W.?
19		What is the size (a number) of the total net effect of trade in the R.O.W.?