k1 = 1000; k2 = 2000; k3 = 23/400000; k4 = 1/100; k5 = 1; k6 = 23; k7 = 1/1000; k8 = 1/10; k9 = 1; k10 = 1/10; k11 = 1/1000; k12 = 1;