Answer:
If graph goes upward, it means profit and if the graph comes downward it means loss.
Explanation:
If the graph goes in the upper direction so this means that maria is running a profitable business by selling taco and Maria’s total revenue exceeds her total profit. But if the graph comes down, it means that maria having losses in her business and Maria’s total profit exceeds her total revenue. This is because the tacos is not buying by the people in the neighborhood.
