Because they buy in massive quantities?
$1 = 8 meals = 12 cents per meal.
Rice for example is around $1 per pound when purchased in bulk.
1lb of rice is about 450 grams, a serving of rice is about 50 grams. So there are 9 servings per pound of rice.
That means each serving is a cost of 11 cents.
Bam, there you go. And that was off the top of my head real quick. I'm sure their system is way more complicated.
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