Scenario
Sally Smith is a recent college graduate working in New York City at Morgan Stanley. Since she is only a starting analyst, she lives on a tight budget, especially with the high New York city tax and cost of living. Sally current lives in a Manhattan apartment with three roommates. Not only is Sally living with these three people, but she happens to be best friends with them as well. This makes life really great for Sally because she has a nice group to go out with on the weekends. However, as time has passed, Sally and her roommates have noticed that they have a lot of debts to resolve all the time. From housing bills and utility bills to bar taps, taxi fares, and movie tickets, Sally and her roommates constantly struggle to figure out how much each person owes another in total.