 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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. {% b% [# V! S& e2 Y6 R/ Q. d( s10% is the marginal rate, not the actual rate you pay.& \3 G- x, I1 E i) u6 l! }5 r$ R
Assuming an exempt amount of 20k, then:
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! u4 f* s$ q- y' L) I& Y6 }$ \You pay 0% if you make 20k.' t! j+ P7 i7 k: P0 ~0 C$ `- W
You pay 5% if you make 40k.& Q, h+ v" r! @8 G* B H: r
You pay 6.67% if you make 60k.( E9 K" h6 e/ h0 `/ C
You pay 7.5% if you make 80k.) u l# P- a; M; @" P. z
You pay 8% if you make 100k.$ n7 ^3 c+ g" B, d8 Y: R- V
3 _, O' x$ j( D/ K; _5 _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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