12300×3%=369(3200+2300)÷(1+3%)×3%=161.19369+160.19=529.19该公司应纳增值税额4529.19元
1.3200/(1+3%)*3%=93.22.2300/(1+3%)*3%=66.993.12300*3%=36993.2+66.99+369=529.19