Table:
text: Machine taper
Brown  &  Sharpe
Brown  &  Sharpe
Size_ Lg_Dia_ Sm_Dia_ Length_ Taper_in_ft
1 0.2392 0.2000 0.94 0.5020
2 0.2997 0.2500 1.19 0.5020
3 0.3753 0.3125 1.50 0.5020
4 0.4207 0.3500 1.69 0.5024
5 0.5388 0.4500 2.13 0.5016
6 0.5996 0.5000 2.38 0.5033
7 0.7201 0.6000 2.88 0.5010
8 0.8987 0.7500 3.56 0.5010
9 1.0775 0.9001 4.25 0.5009
10 1.2597 1.0447 5.00 0.5161
11 1.4978 1.2500 5.94 0.5010
12 1.7968 1.5001 7.13 0.4997
13 2.0731 1.7501 7.75 0.5002
14 2.3438 2.0000 8.25 0.5000
15 2.6146 2.2500 8.75 0.5000
16 2.8854 2.5000 9.25 0.5000
17 3.1563 2.7500 9.75 0.5000
18 3.4271 3.0000 10.25 0.5000

Question: What is the highest taper (inches/foot) when the size is 8 under Machine Taper's Brown & Sharpe?