; and (4) by adding at the end the following new subsection: (f) Annual OIG evaluation and report (1) Analysis The Inspector General of the Department of Health and Human Services shall conduct an annual evaluation of the information provided to the Secretary under this section. Such evaluation shall include an analysis of— (A) PBM rebates; (B) administrative fees; (C) the difference between what plans pay PBMs and what PBMs pay pharmacies; (D) generic dispensing rates