betty is a 65-year-old retired mechanical engineer who now lives with her daughter. before, betty was relatively independent and did everything for herself. now, her daughter insists on doing everything for betty, including paying her bills and doing the grocery shopping. this week, betty's daughter is on vacation, and betty's bills are due. instead of paying the bills herself, betty asks her son to help her. which of the following reasons best explains why betty did not take care of the bills herself?