Which of the following pay strategles is a source of competitive advantage?

a$.$ a pay strategy that specifies low base pay and high job security.

b$.$ a pay strategy that overemphasizes on outstanding employee performance and commitment.

c$.$ a pay strategy that adds value and is difficult for employers to imitate.

d$.$ a pay strategy that ignores individual attitudes and preferences.

e$.$ a pay strategy that emphasizes on work$/$life programs over cash compensation and giving only limited bonuses and no stock awards.