; (D) information about the quality review process that was used to ensure quality and accuracy; (E) the impact of the project on instruction and student learning outcomes; and (F) all project costs, including the value of any volunteer labor and institutional capital used for the project. (8) Authorization of appropriations There are authorized to be appropriated to carry out this section $5,000,000 for fiscal year 2021 and each of the 5 succeeding fiscal years. (b) Report to congress Not later than 2 years after the date of enactment of College Affordability Act , the Secretary shall prepare and submit a report to authorizing committees detailing— (1) the high-quality open textbooks created or adapted under this section; (2) the adoption of such open textbooks; (3) the savings generated for students, States, territories, and the Federal Government through the use of open textbooks; and (4) the impact of open textbooks on instruction and student learning outcomes. (c) GAO report Not later than 3 years after the date of enactment of College Affordability Act , the Comptroller General of the United States shall prepare and submit a report to the authorizing committees on the cost of textbooks to students at institutions of higher education. The report shall include— (1) the change of the cost of textbooks between the date of the enactment of the College Affordability Act and the date of such report; (2) the factors that have contributed to such change in the cost of textbooks, including the impact of open textbooks on the cost; (3) the extent to which open textbooks are used at institutions of higher education compared to the use of open textbooks before the date of the enactment of this subsection; (4) how institutions are tracking the impact of open textbooks on instruction and student learning outcomes