You have a margin trading account with 50% initial margin and 35% maintenance margin. The interest rate on your loans is 8% per year. 1. You deposit $15,000 of your own money in the account. You will use all of it to buy on margin a stock trading at $50 per share. a) Calculate the price at which you will receive a margin call b) Calculate your ROI if after 3 months the share pays a dividend of $0.35 per share and is trading at $56.50 per share.