Why is bargain often the most expensive

Extra time must be spent in training or correcting mistakes. The bargain help is often the most expensive because,
1)- The physicians shall pay additional taxes for bargain help
2)- more benefits are given to bargain help
3)- extra time must be spent in training.
4)- bargain helps makes the most efficient medical assistant

An epidemic is a large and localized outbreak of a sickness or disease.  a pandemic is a large global outbreak of a sickness or disease. 

Which of these is a benefit of health care access that lowers the risk of chronic disease like skin cancer? a. higher incomeb. better doctorsc. early detectiond. safer environmentif this is your question it is c