Answer:
He wants to demonstrate that an honest action can sometimes lack moral worth if it is done from the wrong motive.
Explanation:
Since in the question, Kant predict one motive that if the shopkeeper is dishonest than he will lose his business which makes him worry
This example reflects that if the honest action is taken out that lead to lacking moral worth in case when it is done with the wrong intention or motive
Therefore the above is the answer that should be considered
