8) On the same graphs from step 3, graph the Balance left to pay from step 7 for both cars in RED. Connect the dots in a curve pattern.
9) a) In what years is the RED line above the BLUE line for Car 1?
b) In what years is the RED line above the BLUE line for Car 2?
10) What does it mean when the RED line is above the BLUE line?
11) Based on the two graphs, which car do you think is the best option to purchase? Explain why,