As a newly promoted front-line supervisor in a solar panel manufacturing firm, Riko has been asked to conduct year-end performance appraisals of her non-supervisory employees. Which of the following is correct regarding the performance-appraisal process?
a. Almost all manufacturing firms conduct monthly performance appraisals.
b. It is the evaluation of employees' performance to allow managers to make subjective human resources decisions.
c. Most do not include a written document.
d. It provides an effective basis for distributing rewards.