An External Diseconomy Occurs Whenever A(n)

An external diseconomy occurs whenever a(n) :

A) action taken by a firm or individual results in uncompensated benefits to others.
B) action taken by a firm or individual results in compensated benefits to others.
C) action taken by a firm or individual results in compensated costs to others.
D) firm trains workers in a highly specialized, firm-specific skill.
E) action taken by a firm or individual results in uncompensated costs to others.