In 2014, George helped to support his mother Maria, his son Joe, and his niece Wanda. How many dependency exemptions can George claim on his 2014 federal income tax return given these additional facts? Maria lived with George and received $12,000 in Social Security benefits that she used to pay for food, clothing, medical expenses, and other living expenses. George provided Marias room, which has a rental value of $5,000, and paid an additional $4,000 toward her support. Joe, age 12, lived with his mother, Laura. George paid $12,000 in child support, and Laura provided an additional $4,000 of support. Wanda, age 20, is a part-time college student who lived in an apartment. She earned $6,000 working part-time and received a scholarship of $2,000. Wandas father provided $4,000 toward her support, and George provided $7,000