$$The current market price is $$250$ per share, and you have

$$22,000$ of your own to invest. You borrow an additional $$22,000$

from your broker at an interest rate of $6\%$ per year and invest

$$44,000$ in the stock. a$.$ What will be your rate of return if the

price of Telecom stock goes down by $8\%$ 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. Omit the $"\%"$ sign in your response.$)$ Rate of return $\%$ 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.

Omit the $"$$$"$ sign in your response.