(3) TOTAL COST. Each proposed contractual service procurement under s. 84.01(13), Stats., shall include a total cost component. For each proposed contractual service procurement under s. 84.01(13), Stats., involving an estimated expenditure of more than $300,000 annually, the department shall complete a detailed cost-benefit analysis showing that the proposed service can be performed more economically or efficiently by contract rather than by current state employees or by hiring permanent, project or limited term employees. The consideration of relevant costs shall include, but not be limited to, wage and salary costs, fringe benefits costs, administrative overhead costs, other operating costs, material costs, insurance costs, facility costs, contract price, contract monitoring, and one-time conversion costs. The department shall use the cost-benefit methodology set forth in chapter 8 of the department's Facilities Development Manual. Note: To request the cost-benefit methodology set forth in the Facilities Development Manual, please contact the Department of Transportation, Bureau of Project Development, Consultant Services Section, P.O. Box 7916, Madison, WI 53707-7916 or (608) 266-2375.