Scott and Alisson are married and file a joint tax return. Scott is a graduate student who works part-time and earned $15,000 in 2012. He is not eligible to participate in his employer's retirement plan because he is a part-time worker. Allison is a high school teacher who earned $50,000 in 2012 and is an active participant in the school district's retirement plan. Assume you are a financial planner and the couple asks for your advice. Based on the preceding facts, answer each of the following questions.