You are bullish on Telecom stock. The current market price is $105 per share, and you have $21,000 of your own to invest. You borrow an additional $21,000 from your broker at an interest rate of 7.0% per year and invest $42,000 in the stock.

Required:

a. What will be your rate of return if the price of Telecom stock goes up by 9% during the next year? (Ignore the expected dividend.) (Round your answer to 2 decimal places.)

b. How far does the price of Telecom stock have to fall for you to get a margin call if the maintenance margin is 30%? Assume the price fall happens immediately. (Round your answer to 2 decimal places.)