A.剩余本金、不予退還 B.剩余本金、給予退還 C.剩余本息、不予退還 D.剩余本息、給予退還
A.10 B.15 C.20 D.30
A.0.6%、0.5% B.0.4%、0.3% C.0.5%、0.4% D.0.6%、0.4%