Richard has a competent assistant who often sits idle because Richard chooses to do his own work.Richard came up through the ranks; the assistant has an associate's degree.Which of the following might explain Richard's reluctance to delegate?

a- Richard feels threatened by the assistant.

b- Richard doesn't trust the assistant to do the job right.

c- Richard doesn't know what should be delegated.

d- Richard just isn't organized enough.

e- Richard doesn't like the assistant.