please do 9 & 10. thank you.

Question 9 (0.5 points) You invested $3500 of your own money and borrowed $3500 from your broker to purchase shares of a company trading at a share price of $2. You paid 10% interest on your borrowed money for one year. You sold the stock one year later for $1.59. How much money in total did you lose on this transaction including the interest you paid? Your Answer: Answer Question 10 (0.5 points) If you earned a 1.2% return on your savings with a 30% tax rate, what is your after- tax rate of return? Your