One reason that a health plan would want to use the actual acquisition cost (AAC) pricing system to calculate its drug c

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One reason that a health plan would want to use the actual acquisition cost (AAC) pricing system to calculate its drug costs is that, of the systems commonly used to calculate drug costs, the AAC system:

A. Provides the lowest level of cost for the health plan
B. Most closely represents what pharmacies are actually charged for prescription drugs
C. Offers the best control over multiple-source pharmaceutical products
D. Is the least expensive pricing system for the health plan to implement