k1 = 1/400; k2 = 1/100; k3 = 7/10; k4 = 7/2020; k5 = 1/100; k6 = 7/10; k7 = 1/10000; k8 = 1/10000; k9 = 1; k10 = 1; k11 = 7/2000; k12 = 1/100; k13 = 1; k14 = 1;