PLEASE HELP The graph above shows the cost of hay. Jethro bought three bales of hay. Which is the total cost that he paid for the hay?
A. $10.50
B. $12.00
C. $13.50
D. $7.50

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?