3-1a	3-1b	Err rate	3-2	3-3	HW3
Posting ID	50	30	0.00	15	20	115.00
0245 563	100	60	0.16	94.44	90	100.17
0250 234	90	55	0.54	0	90	79.50
0753 801	90	70	1.00	0	95	85.00
0789 870	90	55	0.14	100	90	94.50
1946 235	100	100	0.17	91.67	40	101.75
2004 366	100	100	0.15	97.22	100	114.58
2560 003	90	0	1.00	0	90	63.00
2710 935	97	95	0.16	94.44	90	109.17
2854 553	90	70	0.56	0	100	86.00
3511 410	90	100	0.22	77.78	100	106.67
3560 408	85	0	0.39	30.56	70	61.08
3776 034	100	90	0.14	100	90	110.00
5254 828	90	85	0.16	94.44	100	104.67
5933 474	97	90	0.15	97.22	100	110.08
6501 573	90	55	0.25	69.44	40	79.92
7685 547	80	55	0.50	0	95	75.50
9051 628	30	0	1.00	0	10	17.00
9510 550	90	55	0.45	13.89	100	83.58
Bonus  =	100*MAX(0,MIN(1,(0.5-ErrRate)/(0.5-0.14)))