Answer:
a. Beef prices rise.
Step-by-step explanation:
Beef is commonly utilized as a supplement to tomatoes. When the cost of other commodities increases, the demand for it is a supplement, falls, this would make the interest bend, of tomatoes, move leftward side. This would move the minimal cost bend descending.
The appeal for a feast in a café will likewise expand the interest of the kitchen. This would build the excitement for tomatoes, and subsequently, the interest bend will move rightward.
On the off chance that a commentator applauds the nature of Ella's ratatouille, there will be an expansion sought after for ratatouille. Along these lines, the interest bend will move rightward.