At Ronald's Fast Food Business for Five Years the French

At Ronald's fast food business for five years the French fries are its most popular product. During the past year,its profits have suffered because the farm that supplies it with potatoes has increased its prices drastically.What should Ronald's do to control its production costs?

A) Ronald's should reorganize its organizational hierarchy to increase efficiency.
B) Ronald's should buy out the farm and become its own supplier.
C) Ronald's should invest in more efficient fryers.
D) Ronald's should broaden its product range by introducing potato nuggets on its menu.