The population of Metroville is 3187463 on June 30 2013. During the period January 1 to December 31 2013, a total of 4367 city residents were…

The population of Metroville is 3187463 on June 30 2013.  During the period January 1 to December 31 2013, a total of 4367 city residents were infected with HIV. during the same year, 768 new cases of HIV reported. Calculate the prevalence per 100000 population and incidence per 100000 population