 鲜花( 1181)  鸡蛋( 48)
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本帖最后由 小黄 于 2011-3-16 11:23 编辑
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10% is the marginal rate, not the actual rate you pay.( o! ~5 ~3 z% w7 o$ r: x
Assuming an exempt amount of 20k, then: g) l* A! p r" X
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You pay 0% if you make 20k.
3 S5 f* R, ]" S# y) m/ wYou pay 5% if you make 40k.
! s5 Y" w4 T3 F1 @9 JYou pay 6.67% if you make 60k.1 C8 ~4 D! h3 K( s
You pay 7.5% if you make 80k.
) Y# D2 Z9 Q6 G& TYou pay 8% if you make 100k.3 k9 A' p# Q* I' v: s K& p9 g
( C# s, ]; e, ^It's a flat "marginal" rate, and a smooth function. But higher income people still pay a higher rate. IMO, this is a fair and simple modeling. |
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