k1 = 20;
k2 = 40;
k3 = 11/10;
k4 = 2;
k5 = 1;
k6 = 1/50;
k7 = 1/2;
k8 = 3/20;
k9 = 1;
k10 = 1/100;
k11 = 9/100;
k12 = 1;
k13 = 1;
k14 = 1/10;
k15 = 1100;