JUST PART B PLEASE!!!!!!!

OneChicago has just introduced a new single stock futures contract on the stock of Brandex, a company that currently pays no dividends. Each contract calls for delivery of 1,000 shares of stock in one year. The T-bill rate is 4% per year. Required: a. If Brandex stock now sells at $120 per share, what should the futures price be? (Round your answer to 2 decimal places.) b. Brandex stock now sells at $120 per share. If the Brandex stock price drops by 3%, what will be the new futures price and the change in the investor's margin account? (Input all amounts as positive values. Do not round intermediate calculat answers to 2 decimal places.)