Can someone please help me with this?

You are bearish on Telecom and decide to sell short 100 shares at the current market price of $34.00 per share. a. How much in cash or securities must you put into your brokerage account if the broker's initial margin requirement is 50.00% of the value of the short position? (Round your answer to the nearest dollar amount and put it in the following format X,XX. Do NOT record starting 0's.) Initial margin $ b. How high can the price of the stock go before you get a margin call if the maintenance margin is 30% of the value of the short position? Round your answer to 2 decimal places and put it in the following format XX.XX. Do NOT record starting 0's.) Stock price reaches $