income	tax	percent
------	---	-------
0	0.00	0
3000	0.00	1
6000	30.00	2
9000	90.00	3
12000	180.00	4
15000	300.00	5
18000	450.00	6
22000	690.00	7
26000	970.00	7.5
30000	1270.00	8
40000	2070.00	8.5
74000	4960.00	9
140000	10900.00	8.5
200000	16000.00	8