Which of the given sides form a right triangle? A 9in, 12in, 13in. B 15in, 12in, 9in. C 12in, 9in, 17in. D 21in, 15in, 12in. ​

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?