A and B worked out thanks!

19. You are bearish on Telecom and decide to sell short 100 shares at the current market price of $50 per share. (LO 3-4) a. How much in cash or securities must you put into your brokerage account if the bro- ker's initial margin requirement is 50% of the value of the short position? b. How high can the price of the stock go before you get a margin call if the mainte- nance margin is 30% of the value of the short position