1. To avoid working late, the quality control manager inspects the last 50 items produced that day.
A. Self-Selected
B. Convenience
C. Systematic
D. Stratified
E. Cluster

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?