A.A=4000+500(G/A,8%,6) B.A=4000+500(A/G,8%,6) C.A=4000+500(p/A,8%,5) D.A=4000+500(P/F,8%,5)
A.331 B.330 C.320 D.338
A.5% B.8% C.10% D.6%