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;