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.
Erin and Harper open their lunch boxes in the school cafeteria. Neither Erin nor Harper 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.
Erin's lunch Harper's lunch
What can Erin and Harper trade to each get what they want?
A. Erin can trade her tomatoes for Harper's carrots.
B. Harper can trade her almonds for Erin's tomatoes.
C. Erin can trade her tomatoes for Harper's broccoli.
D. Harper can trade her broccoli for Erin's oranges.
Determine the correct option from the provided choices and reply with its corresponding letter.

C