Multi-source, or , recognizes that the manager is no longer the sole source of performance appraisal information.
a) team appraisal
b) outside raters
c) peer evaluation
d) 360 degree feedback

360 Degree Feedback

Explanation:

360 Degree Feedback or appraisal is a strategy or procedure in which employees of an organization during appraisal receive confidential, anonymous feedback from the other staff who work with them. This generally comprises the employee's manager, peers, and direct reports. That is as the name implies it has to go round, top to bottom. A variety of about eight to twelve people are expected fill out the anonymous online feedback form that asks questions encompassing a vast spectrum of workplace competencies. The appraisal forms include questions that are assessed on a rating scale and also ask raters to submit written statements. The person receiving appraisal also fills out a self-rating survey that includes the same survey questions that others receive in their forms.

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yes the correct answer was

b.the increased supply will create a surplus.