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.
Justine and Caleb open their lunch boxes in the school cafeteria. Neither Justine nor Caleb got everything that they wanted. The table below shows which items they each wanted:

Look at the images of their lunches. Then answer the question below.
Justine's lunch Caleb's lunch
What can Justine and Caleb trade to each get what they want?
A. Caleb can trade his almonds for Justine's tomatoes.
B. Justine can trade her tomatoes for Caleb's broccoli.
C. Caleb can trade his broccoli for Justine's oranges.
D. Justine can trade her tomatoes for Caleb's carrots.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.
Answer: B