Kari has been saving money for college for the past four years; she thinks that she is close to her goal amount of $30,000 which is helpful as she is currently a senior in high school. Kari begins to look for a university she might want to attend. Once Kari starts looking at the cost of college she runs across a number of places that would cost 30,000 in a single year. Kari is reluctant to move from her original view that she can find a four-year university that will not exceed her $30,000 budget. What method of problem solving has Kari employed