Car Rental Leases Are Either "Open-End" or "Closed-End

Car rental leases are either "open-end" or "closed-end." The basic difference between the two is that

A) monthly payments are variable under the closed-end lease,but fixed under the open-end lease.
B) monthly payments are variable under the open-end lease,but fixed under the closed-end lease.
C) with a closed-end lease you may be liable for additional payments if the resale price of the auto is less than estimated in the lease agreement.
D) with an open-end lease you may be liable for additional payments if the resale value of the auto is less than estimated in the lease agreement.