Breakeven analysis Paul Scott has a 2008 Cadillac that he wants to update with a GPS system so he will have access to up-to-date road maps and directions. Aftermarket equipment can be fitted for a flat fee of $490, and the service provider requires monthly charges of $21. In his line of work as a traveling salesperson, he estimates that this device can save him time gas keeps increasing). He plans to keep the car for another 3 years a. Calculate the breakeven point for the device in months b. Based on (a), should Paul have the GPS system installed in his car