[hedgetrimmer]

You'll get scurvy if you don't have fresh fruit and vegetables.

[Seamoth]

Nah, the beans and rice are meant to supplement in times of famine when oranges are still available, albeit at $10 per pound.

But, if you're going to go that far... Google says that Purina Monkey Chow is $11.25 per 25-pound bag. That has all the nutrition, carbohydrates, proteins, and fats humans will ever need.