Assume that you just bought 300 shares of Berg-en-dal stock at $90 per share using a margin loan. The initial margin requirement (IMR) is 60 percent and you chose to borrow the maximum amount possible. a. What is the maximum amount that you can borrow via the margin loan? (5 pts) b. What will be your rate of return if the stock price goes to $102 per share over the next year (i.e. 365 days) and you close your position at the end of that time? Assume that the rate of interest on the margin loan is 4.2%. (10 pts) c. If the maintenance margin requirement is 40%, how low can the price go before a margin call occurs? Assume that the price drops immediately, so there is no accumulated interest. (5 pts)