You are bullish on Telecom stock. The current market price is $230 per share, and you have $23,000 of your own to invest. You borrow an additional $23,000 from your broker at an interest rate of 5% per year and invest $46,000 in the stock.

a. What will be your rate of return if the price of Telecom stock goes down by 9% during the next year? The stock currently pays no dividends. (Negative value should be indicated by a minus sign. Round your answer to the nearest whole number.)

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.)