k1 = 1/25; k2 = 1/1000; k3 = 5; k4 = 1/10; k5 = 3/100; k6 = 100; k7 = 1; k8 = 1/100; k9 = 1/100; k10 = 3; k11 = 1/100; k12 = 1; k13 = 1;