All of the following statements concerning nonqualified deferred compensation are correct EXCEPT: a. An employer is permitted to discriminate in favor of key executives in offering plan benefits. b. Rabbi trust provides the employee with protection against both a change in control and employer insolvency. O c. A secular trust becomes taxable to the employee when there is no longer a substantial risk of forfeiture. d. Nonqualified deferred compensation is frequently used as a tool to retain key employees (golden handcuffs)