A.11900 B.13292.77 C.10254.54 D.11077.01
A.150000×16%+20000÷(1+16%)×16%-80000×12%=11641 B.150000×16%+20000×10%-80000×12%=16400 C.150000×16%+20000÷(1+10%)×10%-80000×12%=16218.18 D.150000×16%+20000×16%-80000×12%=17600
A.3% B.5% C.2% D.1.5%