The following statements can correctly be made about the advantages and disadvantages to an health plan of using the var

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The following statements can correctly be made about the advantages and disadvantages to an health plan of using the various delivery options for pharmacy services.

A. A disadvantage of using open pharmacy networks is that the health plan's control over costs is limited to setting reimbursement levels.
B. An advantage of using performance-based systems is that they tend to increase participation in the health plan's pharmacy network.
C. A disadvantage of using customized pharmacy networks is that these networks typically can be implemented only in companies with fewer than 500 employees.
D. All of these statements are correct.