1. Justin just made a margin purchase of 100 shares of DEF Corp. for $22.50 per share. The initial margin is 70%. The maintenance margin is 30%. How low can the price of each share of DEF be before Justin will have to add equity to his account?

2. Jocelyn sells short 1000 shares of JKLO stock at $31.25 per share and six months later purchases the shares at $29.00 each. Ignoring margin interest and brokerage fees, What is Nancy's total profit?