(a) Even though housework constitutes 60 to 80 per cent of most nations' economics, it continues to suffer from gross national product invisibility.
(b) Marginal female labour force is a highly convenient asset: cheap, always available, easily and callously disposed of.
(c) Women are unskilled, incompetent and not trained to earn the same remuneration as a man.
(d) Women and men receive the same wages for the same type of work.
Choose the correct answer from the options given below: