A.21000
B.21600
C.21120
D.20640
A.29.4
B.30
C.35.4
D.60
A.48
B.24
C.30
D.36
A.33.60
B.28.26
C.113.76
D.129.20
18
33.6
42
48
A.1 000×(1-20%)×1.2%+300×1.2%=13.2(万元)
B.(1 000+300)×(1-20%)×1.2%=12.48(万元)
C.1000×1.2%+300×(1-20%)×1.2%=12.29(万元)
D.1000×(1-20%)×1.2%=9.6(万元)
A.2900
B.3500
C.5000
D.3800
A.6000
B.4200
C.1500
D.1250
A.288
B.840
C.1152
D.576
A.65.49
B.66.21
C.66.54
D.67.26
A.1100
B.1050
C.1048
D.1052