13. LO.2 Melba’s employer provides a flexible spending plan for medical and dental expenses not covered by insurance. Melba contributed $1,500 during 2013, but by the end of December 2013, she still had $300 remaining in the account. Melba intended to get new eyeglasses, but was too busy during the holiday season. Is Melba required to forfeit the balance in her flexible spending account? Explain.