Your boss sends you to the hardware store to buy tie down rope. he tells you to buy the best deal. what is the savings per unit between the best deal and worst deal? 10 feet for $7.00
20 feet for $13.00
50 feet for $28.00
100 feet for $57.50
a)$50.00
b) $25.00
c) 5 cents
d) 14 cents

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?