Question: Mark's dad and sister both work for Procter & Gamble. He has lived in Cincinnati, OH (the headquarters for P&G) his entire life. After graduating from college, Mark landed a job a P&G in the diaper division in a brand management capacity. He decides to allocate his 401(k) 50% to the Vanguard Total Stock Market Index, 20% to the Vanguard International Growth Fund, and 30% into P&G stock. Which bias most likely explains this allocation mix? Group of answer choices Familiarity bias Confirmation bias Status quo bias