Sec. 5. (a) Except as stated otherwise in the power of attorney, an attorney in fact is entitled to reimbursement of all reasonable expenses advanced by the attorney in fact on behalf of the principal.
(b) Except as otherwise stated in the power of attorney, an attorney in fact is entitled to a reasonable fee for services rendered. The attorney in fact shall, not later than twelve (12) months after the date the service is rendered, notify the principal in writing of the amount claimed as compensation for rendering the service.