Find the equivalent K value for the system shown below, where K₁ = 20 m/day, K₂ = 33 m/day, K₂ = 38 m/day, K₁=25 m/day, K, = 30 m/day, b = 22 cm, b₂ = 35 cm, b, = 42 cm, b = 33 cm, b, = 28 cm and b, = 45 cm.