Richard buys a home, but discovers that the next door neighbor is someone he cannot stand to live next to. Neighbor is extremely political, supporting the political party he hates, and neighbor regularly has his friends over, where they taunt Richard for his political views. After 12 months, Richard sells his home for $300,000, which he purchased for $100,000. How much can Richard exclude from gross income?
a) $0
b) $50,000
c) $100,000
d) $200,000