Carl is a full-time employee of Monkey Business Inc. (MBI), which has 200 employees. Carl is married to Catherine, his dependent. Carl has just turned age 65. Both Carl and Catherine are covered under MBIs health plan but when Carl turned 65, the plan made him take Medicare. How long can Catherine be covered under COBRA after Carl is no longer eligible for the plan?

27 months.

0 months.

36 months.

18 months.