4 | A u d i t o f C o n t r a c t N o . 2 0 1 7 ‐ 0 5 5 A p r i l 2 0 2 1 may be billed at 8% or 6% based on the invoice amount. Operational Costs are any and all cost and expenses associated with the operation of the on‐site stores. The audit focused on reviewing supporting documentation for both product and operational costs billed to the County. Between the period of October 1, 2017 through April 3, 2020, there were a total of 484 paid invoices that were billed to 23 Purchase Orders related to Contract No. 2017‐055. Each of these invoices typically contains multiple individual purchases. Objectives, Scope and Methodology The objectives of this audit was to determine that policies and procedures are in place and documentation is available to support the effective and efficient administration of the Agreement. To meet the objectives of the audit, the procedures performed included, but were not limited to, the following: Obtained an understanding of the contract and amendments. Performed inquiries of responsible personnel. Selected a statistical random sample of 214 invoices and reviewed at least two individual purchases within each invoice. Evaluated documentation for compliance with provisions of the Agreement. Identified opportunities for improvement.
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