 鲜花( 1181)  鸡蛋( 48)
|
本帖最后由 小黄 于 2011-3-16 11:23 编辑
9 X7 p L+ M3 V! Y3 b* W
+ F/ s& v, g6 e$ ]10% is the marginal rate, not the actual rate you pay.% l6 F/ h6 j% D" K% c. N
Assuming an exempt amount of 20k, then:) f# D$ h8 A' q
- g- S: g$ m! l* P& sYou pay 0% if you make 20k.
; R3 W) E1 o \! qYou pay 5% if you make 40k.
7 u" Z: F6 |1 |, j* Y7 YYou pay 6.67% if you make 60k.
_8 S9 D0 I+ t& lYou pay 7.5% if you make 80k.6 V+ g$ M2 i, x7 }7 v
You pay 8% if you make 100k.+ i, i5 G2 w* h6 V2 N9 H) B. U, ^3 ?& y
( ~- ?- {7 _) {3 \
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. |
|