cost of parts and labor to replace brake lines on 1993 buick park avenue

Always good to get a 2nd and 3rd opinion on whether you need brake lines replaced. Price guesstimate http://www.carsdirect.com/car-repair/how-much-is-the-average-cost-of-brake-line-repair

thanks for response. Unfortunately I would have to tow car for 2nd/3rd opinion & have been unsuccessful in getting a quote over the phone