Scenario D.1 Lisa Lives Out in the Country with Her Seven Cats

Scenario D.1
Lisa lives out in the country with her seven cats and avoids driving into the big city as much as possible. She has decided to make her own cat food and has the following nutritional guidelines. Each four ounce portion must contain 20 units of protein, 15 units of vitamin A, and 10 units of vitamin B. She has eggs, tomatoes, and chicken meat as possible inputs to her cat food. Each ounce of eggs contains 5 units of protein, 4 units of Vitamin A, and 3 units of Vitamin B. Each ounce of tomatoes contains 1 unit of protein, 5 units of Vitamin A, and 14 units of Vitamin B. Each ounce of chicken contains 22 units of protein, 14 units of Vitamin A, and 5 units of Vitamin B. Chicken costs 40 cents per ounce, tomatoes cost 8 cents per ounce, and eggs cost 12 cents per ounce.
-Referring to Scenario D.1, which of the following statements is best?

A) Making the cat food out of only eggs is optimal
B) Making the cat food out of only eggs is less expensive than making it out of only tomatoes.
C) Making the cat food out of only eggs means that the Vitamin B constraint would not be satisfied.
D) Making the cat food out of only chicken means the Vitamin B constraint would not be satisfied.