Answer and Explanation:
Peter explains the conflict somewhat melancholy, because he understands his mother's sadness at having to get rid of the fur coat she likes so much. The way Peter describes the scene is sentimental, as he understands that it is necessary to make certain sacrifices to lessen the needs that they are going through, however, he does not like to see his mother so sad.
Mrs. Van Daan's coat is so important to her, because it is the only thing that allows her to connect with her past, where there were no difficulties and she was happy and free.
Mr. Van Daan decides to sell the coat, even without his wife's permission.