Peter cullen & associates uses a private employment agency to locate engineering staff. the company pays a fee to the employment agency every time it hires a candidate provided by the employment agency. in this scenario, peter cullen & associates is using the services of

Contingency firm

Explanation:

From the given case/scenario, we can state that the Peter Cullen & Associate is using the services of a contingency firm. Here, contingency firm typically tend to work with large no. of job profiles and whenever there is an opening, they do so by inclining towards a  database of candidates, after this they tend to look profile that match the candidates resume.  A contingency firm is mostly paid when an individual or candidate is hired.

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