k1 = 4/5;
k2 = 2/5;
k3 = 100;
k4 = 9/80;
k5 = 1/10;
k6 = 7/200;
k7 = 3/10;
k8 = 10;
k9 = 1;
k10 = 10;
k11 = 17/1000;
k12 = 11/100;
k13 = 1;
k14 = 0;
k15 = 0;