销售额=含税销售额÷(1+税率)应纳税额=销售额*税率应纳税额=100/(1+0.06)*0.06 =5.66(元)
税额=含税价/(1+税率)*税率=100/(1+6%)*6%=5.66万
增票上有显示税费的增值税=100/1.06*0.06