One satellite radio service charges $10 per month plus and activation fee of $20. a second service charges $11 per month plus and activation fee of $15. which company is the better deal. show your work

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?