class City:
   complexCredits = 20
   budget = 95E6
   X_dc = 3E-5
   X_hf = 1E-11
   f_c = 0.15
   n_0 = 2.3


class Jungle:
   complexCredits = 19
   budget = 125E6
   X_dc = 5E-5
   X_hf = 5E-14
   f_c = 0.02
   n_0 = 2.4


class Desert:
   complexCredits = 17
   budget = 85E6
   X_dc = 1E-7
   X_hf = 8E-15
   f_c = 0.125
   n_0 = 2.6


class Island:
   complexCredits = 18
   budget = 105E6
   X_dc = 8E-6
   X_hf = 9E-13
   f_c = 0.08
   n_0 = 2.5
