According to one study, the initial cost of a typical LED traffic signal ball was around $70 compared to an incandescent signal at $20. When energy use and maintenance costs were added, the total lifetime operating costs of LED lights were approximately one-third that of incandescent signals.
The average pay for a Recruiter is $45,297 per year. Most people move on to other jobs if they have more than 20 years' experience in this field. Experience has a moderate effect on income for this job.
Senior executive recruiters often work for executive search firms, while others own their own firms. They typically spend many years working in human resources or as executives so they can communicate on their level. Average annual incomes for these executives exceed $90,000 per year.