Steve is a member of a local church. He thinks he can deduct as a charitable contribution the commuting expenses for the Sundays that he is assigned to usher? a. Which BNA portfolio will answer the question? b. Can you cite this portfolio in your research memo? Why or why not? c. Can Steve deduct as a charitable contribution the commuting expenses for the Sundays that he is assigned to usher? List your primary sources of authority that you used to answer this