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本帖最后由 小黄 于 2011-3-16 11:23 编辑 5 h! c5 A, r) A4 @
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10% is the marginal rate, not the actual rate you pay.
3 k% [# `5 }. }" h8 `8 q9 C6 oAssuming an exempt amount of 20k, then:
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Q. ?, c1 q9 k; Q: q8 gYou pay 0% if you make 20k.
8 I9 G g6 q3 A. ] a+ IYou pay 5% if you make 40k.
0 k1 I- g8 z- i. fYou pay 6.67% if you make 60k.9 ]9 O1 F( b; R; B, |( D7 W2 i# c- W
You pay 7.5% if you make 80k.
1 D: e# X* v: f0 g) OYou pay 8% if you make 100k.6 \0 i9 }- X7 L3 P
2 I% y4 |5 H/ `& U9 l$ s/ KIt'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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