Answer:
This is an example of latent learning.
Explanation:
Latent learning is the retention of information without much help or motivation. This is an unconscious process; one tends to "just know" the information.
In this case, the person regularly goes to the store and he has seen where the eggs are, unconsciously retaining this information and thus knows where they are when he goes to buy it for his guests. This is an example of latent learning.