Problem: A public health educator is designing a smoking cessation program for a low-income community. Which of the following factors are MOST relevant to consider when developing this program from a socio-ecological perspective? (Select all that apply) A. The individual's knowledge about the health risks of smoking. B. The availability and affordability of smoking cessation aids, such as nicotine patches. C. Social norms within the community regarding smoking behavior. D. Government policies related to cigarette taxes and smoke-free air laws. E. The individual's level of stress and coping mechanisms.