The balance on January 16 is $450.33.If a check is written on February 2 for $45.89 and a deposit is made on February 3 for $120.63, what is the new balance of the checkbook?

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?