Is there a maximum age for a presidential candidate?

Yes there is a maximum age but I can't remember what it is.

There is no maximum age limit set forth in the Constitution. Ronald Reagan was the oldest president; at the end of his term in 1988, he was nearly 77. Finally, one must have lived in the United States for at least 14 years to be president, in addition to being a natural-born citizen.

Ithink the answer is c