; and (II) housing and food for a student electing institutionally owned or operated food services or institutionally owned or operated housing. (ii) Indirect costs The total cost (including such total cost disaggregated by the cost of each item) as determined under section 472 of the Higher Education Act of 1965 ( 20 U.S.C. 1087ll ), of— (I) housing and food for a student not electing institutionally owned or operated food services and not living in institutionally owned or operated housing; (II) books, school supplies, equipment, course materials, and rental or purchase of a personal computer; (III) transportation; (IV) any other item described in such section and not described in clause (i) determined to be necessary by the institution. (B) The academic period covered by the financial aid offer, and an explanation that the amount of financial aid offered may change— (i) for academic periods not covered by the aid offer; or (ii) by program. (C) An indication of whether cost and aid estimates are based on full-time or part-time enrollment. (D) An indication, as applicable, about whether any costs described in subparagraph (A)(i) which are subject to change are— (i) estimated based on the previous year