In Which of the Following Circumstances Will a Promise of a Pay

Multiple Choice

In which of the following circumstances will a promise of a pay increase by an employer be enforceable by an employee?

A) It is always enforceable because the employee's consideration is performance of a task.
B) If it is supported by consideration in the form of improved performance.
C) If it is supported by the past performance of employment tasks by the employee.
D) If it supported by consideration provided by the employer.