It Would Be Ethically Permissible for You to Consider Entering

It would be ethically permissible for you to consider entering into a bartering arrangement with a prospective client if

A) bartering is an acceptable practice among other professionals in your community.
B) you cannot afford to provide pro bono service.
C) you suggest bartering and the client agrees to this arrangement.
D) the client does not have mental health insurance.
E) you are designing and plan to build a new house and the client is an architect whose skills you can use.