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.
Gavin and Nolan open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Gavin wanted broccoli in his lunch and Nolan was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Gavin and Nolan trade to each get what they want?
A. Nolan can trade his broccoli for Gavin's oranges.
B. Nolan can trade his almonds for Gavin's tomatoes.
C. Gavin can trade his tomatoes for Nolan's broccoli.
D. Gavin can trade his tomatoes for Nolan's sandwich.
From the given choices, choose the correct answer and respond with the letter of that choice.

C