Answer Happy

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 the scenario above, assume that an optimal serving
contains 0.89 ounces of chicken and 0.52 ounces of tomatoes. Which
of the following statements
is best?
A. The serving costs about 20 cents
B. The serving costs about 30 cents
C. The serving costs about 40 cents
D. The serving costs about 50 cents