You've just opened a margin account with $13,000 at your local brokerage firm. You instruct your broker to purchase 600 shares of Landon Golf stock, which currently sells for $27 per share. a. What is your initial margin? (Enter your answer as a percent rounded to 2 decimal places.) Initial margin % b. Construct the equity account balance sheet for this position. Assets 600 shares Liabilities and account equity Margin loan Account equity Total $ Total 0