A--taxation system
B--taxation
C--fiscal charges
D--progressive taxation
E--graduated tax
F--value added tax
G--income tax
H--land tax
I-excise tax
J--basis of assessment
K--taxable income
L--taxpayer
M--tax collector
N--gross income
O--gross profit
P--net income
Q--average income
R--national income

A--taxation system
B--taxation
C--fiscal charges
D--progressive taxation
E--graduated tax
F--value added tax
G--income tax
H--land tax
I-excise tax
J--basis of assessment
K--taxable income
L--taxpayer
M--tax collector
N--gross income
O--gross profit
P--net income
Q--average income
R--national income（）累进税（）税制

A--taxation system
B--taxation
C--fiscal charges
D--progressive taxation
E--graduated tax
F--value added tax
G--income tax
H--land tax
I-excise tax
J--basis of assessment
K--taxable income
L--taxpayer
M--tax collector
N--gross income
O--gross profit
P--net income
Q--average income
R--national income