A planar transmission line is made of copper strips of width 30 mm and are separated by a dielectric of thickness 2 mm, σ = 10^–3 S/m, ε = 4 ε_o, μ = μ_o. The conductivity of copper is 5.8 x 10⁷ S/m. Assuming that the line operates at 200 MHz, 

(a) Find R, L, G, and C, 

(b) Determine γ and Z_o.