Answer:
The answer is: A. choose the combination of food and non-food consumption that makes her as well off as possible from among the combinations of food and non-food items she can afford.
Step-by-step explanation:
The economic model of consumer behavior states that an individual will consume the products or services that maximize his (or her) benefits and overall well-being while minimizing costs.
So this consumer should choose the combination of products (between food and non-food products) that maximize his well-being while having the lowest possible cost.