Unless otherwise provided by law and except as provided in subsection (b) of this section, a person who is convicted of being an accessory after the fact to a felony is guilty of a felony and on conviction is subject to the lesser of: imprisonment not exceeding 5 years; or a penalty not exceeding the maximum penalty provided by law for committing the underlying felony. A person who is convicted of being an accessory after the fact to murder in the first degree is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years. A person who is convicted of being an accessory after the fact to murder in the second degree is guilty of a felony and on conviction is subject to imprisonment not exceeding 10 years.