33. Generous Corporation provides a SIMPLE plan for its employees. Under the plan, employees can contribute up to 6% of their salary, and Generous Corporation will match each employees contribution up to 3% of the employees salary. Erika is an employee of Generous Corporation and elects to contribute 6% of her $60,000 salary to the SIMPLE plan. What is the total contribution made to her SIMPLE account?
    1. $12,500.
    2. $5,400.
    3. $3,600.
    4. $1,800.