k1 = 700
k2 = 800
k3 = 850
k4 = 20
k5 = 1/5
k6 = 700
k7 = 800
k8 = 850
k9 = 5
k10 = 25
k11 = 8/5
k12 = 1/50
k13 = 11/100
k14 = 1/40
k15 = 8/125
k16 = 11/250
k17 = 1
k18 = 1/2
k19 = 14/125
k20 = 36/125