Harry is facing an important test and expects to do poorly. he is so anxious that he cannot concentrate or study effectively, but he figures that because he's going to do badly anyway, he should not bother. this is an indication of harry's

self-esteem

Explanation:

Self-esteem: In psychology, the term self-esteem is defined as an individual's complete sense or wisdom of personal value or self-worth. It states the fact that the tendency of an individual to like or appreciate himself or herself. The self-esteem of a person is considered to be as enduring and stable.

Example: A man believes about himself or herself that he is a nice guy or he is worthy enough.

In the question above, the given statement is an indication of Harry's self-esteem.

answer; ///i believe that it means; ///you pay no customs duty on the chocolates;