Which of the following is a trade-off mentioned in the article? Choose one: A. Obesity-related health costs are more than $168 billion annually. B. Researchers spent $12,000 for the monthly incentives. C. While incentive programs can cost companies anywhere from $100 to $1,200 per year per employee and spouse, having healthier employees can lower health-insurance costs. D. 36% of companies reward employees for participating in a smoking cessation program. E. More than 2/3 of companies offer financial incentives to encourage participation in wellness activities

Trade off can be defined as an act of efficiently managing or even a total given up of an option in order to enjoy the benefit of a desired option . It is a way of managing limited available resources similar to opportunity cost.

One clear criteria that defines a trade off activities is that two or more alternatives are involved . Based on this , the best choice that illustrates a trade off is option "C".

The companies have the options of paying incentives from $100-$1200 per year on employee and spouse or rather have healthier employees and lower health insurance cost.