Heather Notices That Her Favorite Breakfast Cereal Contains BHA and BHT

Heather notices that her favorite breakfast cereal contains BHA and BHT. Why did the manufacturer add these ingredients?

A) To enhance the flavor of the cereal
B) To fortify the cereal with fat soluble vitamins
C) To improve the lipid profile of the cereal
D) To provide essential fatty acids
E) To keep the oil in the cereal from spoiling