Benefit costs as a percentage of payroll are classified as a Compensation metric of human resources.
Given that the benefits costs as a percentage of payroll come as annual salary or wages. Thus this is considered to be a form of compensation.
There are other benefits categorized under the metric of human resources.
Some of these metrics include the following:
Hence, in this case, it is concluded that the correct answer is the Compensation metric.
Learn more here: https://brainly.com/question/21976973