Ngoc has spent over $30$ years working for a telecommunications company and has finally decided to retire at age $59.$ While she feels a mix of emotions about leaving her job, she's ready to explore her financial options in retirement. Concerned about covering her daily expenses, Ngoc plans to apply for Old Age Security $($OAS$)$ benefits. At what age will she first become eligible for these benefits?

Select one:

O a$.$ Age $62$

O b$.$ Age $67$

$$c$.$ Age $65$

$$d$.$ Ngoc is eligible now as she is officially retired since she gave her notice to her employer.

$0$ e$.$

Age $60$