The planning commission, subject to approval of the town board of trustees, shall have the power and authority to employ planners, engineers, attorneys, clerks and other help deemed necessary within the limits of the appropriation fixed by the town board of trustees. The salary and compensation of such employees shall be fixed by the town board of trustees and shall be paid out of the town treasury as are other officers and employees. Necessary expenses incurred by the commission shall be paid from the town treasury as other legal expenses of the town. (1998 Code)