1. You opened a margin account with borrowing $50,000 from your broker a year ago. Your account started at the initial margin requirement of 50%. With the margin account you bought ABC stock at $50 per share. The maintenance margin is 35%. Today, the stock price falls to $45 per share. Assume interest rate is 10%. What is the margin (your equity) in your account when you first purchase the stock? b. Will you receive a margin call? (Please consider interest expenses and Show percentage margin after price falls) C. How low can the price of ABC shares fall before you receive a margin call? Please show both with and without interest expenses. d. What is your rate of return (Consider Interest Expenses)