mateo works eight hours per day. today he has to decide whether to work overtime and stay one more hour in the office, or go back home and spend that hour studying for his economics exam. his company pays him $70 per day if he works eight hours, and $100 per day if he works nine hours. if mateo studies one more hour, his exam score increases from 75 to 80, what is mateo 's rational decision? mateo decides to work overtime only if he values getting