Complex sentence: The city was 14 months late in filing its 2005--2006 audit and in March 2008 estimated that it would cost an additional $2.4 million because of new auditing requirements that were not addressed by the city.
Split into simpler sentences: The city was 14 months late in filing its 2005--2006 audit. In March 2008 officials estimated the audit would cost an additional $2.4 million because of new auditing requirements that were not addressed by the city.