Cara has just graduated from community college and now wants to move out of her parent's house. She has worked part time while she studied, and has been able to save $6800.00 over the past three years. She has found a nice apartment that is renting for $570.00/month and requires a $500.00 damage deposit. Using her savings, for how long will Cara be able to rent the apartment before her regular income will have to carry it? Show your work for full marks.