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