IEEE PES 超过8页后，每超一页需要交多少美金的版面费？

　　初稿8页，修改后大概在10页和11页之间徘徊，请问IEEE PES 超过8页后，每超一页需要交多少美金的版面费？
===有问必答===
The IEEE Power and Energy Technology Systems Journal is an Open Access only publication. Open Access (OA) allows unrestricted public access to the article via IEEE Xplore. In lieu of paid subscriptions, authors are required to pay a publication fee after their paper has been accepted ($1,350 per manuscript up to a maximum of 8 published pages; $120 per published page in excess of 8 pages).