<prompt> Translate the following text to EnglishKama ilivyoelezwa katika taarifa ya mwaka huu, Mfumo wa Usimamizi wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji wa Uendeshaji.  <response>: IRS incorporated balanced expectations into its senior executive performance management system in response to the Internal Revenue Service Restructuring and Reform Act of 1998 