3.08.02. Fees are considered fair and reasonable when they are justified by the circumstances and correspond to the services rendered. In determining his fees, the podiatrist must, in particular, take the following factors into account:(a) the time devoted to rendering the professional service;
(b) the difficulty and nature of the service;
(c) the provision of services which are out of the ordinary or which require exceptional skill or swift execution;
(d) where applicable, the cost to the podiatrist, of products or material necessary for the carrying out of his professional services.