1. Angie bought 100 shares of stock at a price of $20 a share. She used her 70% margin account to make the purchase. Angie sold her stock after a year for $24 a share. Ignoring margin interest and trading costs, what is Angie's return on investors equity for this investment?

2. Gerry bought 100 shares of stock for $30.00 per share on 70% margin. Assume Gerry holds the stock for one year and that his interest costs will be $90 over the holding period. Gerry also received dividends amounting to $0.60 per share. Ignoring commissions, what is his percentage return on invested capital if he sells the stock for $34 a share?

3. Courtney purchased 100 shares of stock at $38 using her 70% margin account. Her maintenance margin is 40%. Courtney has no other securities in her account. At what price will Courtney receive a margin call?

4. Katrina bought 100 shares of ABC Co. stock for $58.00 per share on 60% margin. Assume she holds the stock for one year and that her interest costs will be $160 over the holding period. Ignoring commissions, what is her percentage return (loss) on invested capital if the stock price went down 10%?

5. Pat just made a margin purchase of 100 shares of ABC Corp. for $45 per share. The initial margin is 70%. The maintenance margin is 30%. How low can the price of each share of ABC be before Pat will have to add equity to his account?