A.風險小 B.限制少 C.額度大 D.成本低
A.12.01% B.9.02% C.7.81% D.5.09%
A.[(P/A,i,n-1)+1] B.[(P/A,i,n+1)+1] C.[(P/A,i,n-1)-1] D.[(P/A,i,n+1)-1]