If you can't account for it, it just proved your incompetency and deserve to go.
From the economist.com
Let us eliminate the Carter incompetency by eliminating the Carter incumbency.
From the time.com
It's a good example of the city of Miami's lethargy, incompetency and indifference.
From the miamiherald.com
Sorry you should really be fired for incompetency on this one article alone.
From the orlandosentinel.com
Either through incompetency or malice they have allowed the greed monster to thrive.
From the blog.beliefnet.com
The other is the incompetency of Republican leaders in both the House and the Senate.
From the ocregister.com
Lower tax revenues, coupled with incompetency, it is no wonder their schools are a mess.
From the washingtontimes.com
Already there were whispers in the air concerning the utter incompetency of their leader.
From the gutenberg.org
Mrs. Kinavey is charged with incompetency, immorality, intemperance and neglect of duty.
From the post-gazette.com
More examples
Incompetence: lack of physical or intellectual ability or qualifications
The condition of being incompetent
Lack of legal qualification or fitness (physical, intellectual or moral fitness) to discharge a legally required duty or to handle one's own affairs; also relates to matters not admissible in evidence
The inability or incapacity at law to perform an act, such as giving testimony or making a will.