A.(610.2+11.3)÷(1+13%)×13%=71.5(万元)
B.(610.2+5.65+11.3)÷(1+13%)×13%=72.15(万元)
C.(610.2+5.65+11.3)×13%=81.5295(万元)
D.(610.2+11.3)×13%=80.795(万元)