Raul brought enough flour to make four loaves of bread. If he uses the same amount flour to make rolls in stead how many rolls can Raul make

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?