You believe the price of Freeze Frame Co. stock is going to fall, so you short 550 shares at a price of $81. The initial margin is 60 percent. Ignore dividends. a. Construct the equity balance sheet for the original trade, (Input all amounts as positive values.) b-1. Construct equity balance sheets for a stock price of $72 per share. (Input all amounts as positive values.) b-2. What is your margin? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) b-3. What is your effective annusl return if you cover your short position at this price in six months? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) -1. Construct equity baiance sheets for a stock price of $86 per share. (Input all amounts as positive values.) c-2. What is your margin? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) c-3. What is your effective annual return if you cover your short position at this price in six months? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)