The rental fee is currently $10.00. However, you may want to Iclick on where it says "disABILTIES" at the top of this page it will take you to the Index. One of the top items is the "disABILTIES FAQ" which will gives lots of useful information, Post #2 and Post #4 give information about wheelchairs..
Or, if you want an easier route, click on the link in my signature.