; (B) the compliance of publishers with applicable requirements under such section; and (C) the costs and benefits to institutions of higher education and to students; (2) the change in the cost of textbooks; (3) the factors, including open textbooks, that have contributed to the change of the cost of textbooks; (4) the extent to which open textbooks are used at institutions of higher education; and (5) how institutions are tracking the impact of open textbooks on instruction and student learning outcomes.