Jeremiah's credit card has an APR of 22% calculated on the previous monthly balance. His credit card record for the last 7 months is shown in the table below. On what amount of money will Jeremiah be charged interest for month 8?

C: 4 stops . You can tell this by reading the graph, find where 13 is on the y-axis (the left side going up) to find number of passengers and then go across to find how many stops for 13 passengers. In this case you have to read whats not on the graph and realize that 13 passengers is between the 12 and 16 points, a quarter of the way up