Context: Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Debbie and Madelyn open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Debbie wanted broccoli in her lunch and Madelyn was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Debbie and Madelyn trade to each get what they want?
A. Madelyn can trade her broccoli for Debbie's oranges.
B. Debbie can trade her tomatoes for Madelyn's broccoli.
C. Debbie can trade her tomatoes for Madelyn's sandwich.
D. Madelyn can trade her almonds for Debbie's tomatoes.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B