Score 80
Range   || Letter || Demerit Max
72 - 80       A      -8
60 - 71       B      -20
48 - 59       C      -32
36 - 47       D      -44
32 - 35       E      -48
Score 75
Range   || Letter || Demerit Max
68 - 75       A      -8
56 - 67       B      -18
45 - 56       C      -30
34 - 44       D      -41
30 - 33       E      -45
Score 70
Range   || Letter || Demerit Max
63 - 70       A      -7
52 - 62       B      -17
42 - 52       C      -28
32 - 41       D      -38
28 - 31       E      -42
Score 60
Range   || Letter || Demerit Max
54 - 60       A      -6
45 - 53       B      -15
36 - 44       C      -24
27 - 35       D      -33
24 - 26       E      -36
Score 50
Range   || Letter || Demerit Max
45 - 50       A      -5
38 - 44       B      -12
30 - 37       C      -20
22 - 30       D      -27
20 - 22       E      -30
Score 40
Range   || Letter || Demerit Max
36 - 40       A      -4
30 - 36       B      -10
24 - 30       C      -16
18 - 24       D      -22
16 - 18       E      -24
Score 30
Range   || Letter || Demerit Max
27 - 30       A      -3
22 - 27       B      -7
18 - 22       C      -12
14 - 18       D      -16
12 - 13       E      -18
Score 20
Range   || Letter || Demerit Max
18 - 20       A      -2
15 - 18       B      -5
12 - 15       C      -8
9 - 12       D      -11
8 - 9       E      -12
Score 10
Range   || Letter || Demerit Max
9 - 10       A      -1
8 - 9       B      -2
6 - 7       C      -4
4 - 6       D      -5
4 - 4       E      -6