稅率	所得淨額	累進差額
5%	$590,000以下	$0
12%	$590,001~$1,330,000	$41,300
20%	$1,330,001~$2,660,000	$147,700
30%	$2,660,001~$4,980,000	$413,700
40%	$4,980,001以上	$911,700