The minimum initial margin for stock purchases in the United States is 50% of the total amount invested. Which of the following is the maximum amount worth of stock that you can purchase with $4,000 of investment capital? $6,000$8,000$2,000$10,000 Which of the following expressions describes the percent equity of a position in a margin account? Check all that apply. Suppose that the minimum percent equity for brokers is 30%. If the percent equity falls to 25%, which of the following are most likely to happen? Check all that apply. The broker of the account will make a margin call. The broker of the margin account will lower the minimum equity retirements of the account. The investor will be asked to sell some of the stock position to pay down the margin debt. $2,000