You are the water superintendent. One of your workers performs preventive maintenance (PM) in water meters. The worker spends three-fourth of his time on PM. His annual salary is 22,000. The city pays 7.65%, which is the employers share of Social Security, and 15% for hospitalization and pensions. PM supply costs are $2,500. The worker travels 10,000 miles while maintaining meters, for which the garage charges 20 cents per mile. Overhead costs applied to direct costs are 30 percent. A total of 3,500 meters were maintained. A private firms offers to do your PM for $10 a meter. Given the following information, should you contract out?