Another problem experienced by the consulting firms following the integration strategy is simply building the specialties under one roof. When working separately the specialist consulting firms charge different rates, have different profit margins, use different business models and pay their people different salaries. For example, the strategy consultants are the highest paid and achieve the highest margins. They have about five or six associates per partner. The information technology firms pay less and use a leverage model of about twenty associates per partner. When working on the same project for the same customer, people compare salaries and jealousies and animosities can develop among team members