A rural community in Queensland was estimated to have a population of 73,000 during a census conducted on January 1^st 2018. Of these, 3600 people were known to have been diagnosed with type 2 diabetes before this day. During 2018, the entire community was followed and 230 new cases of type 2 diabetes were diagnosed. ( Use appropriate formula and show all steps).

1. What was the prevalence of type II diabetes in this communityon January 1^st, 2018?

2. What was the prevalence of type 2 diabetes in this communityon 30^th of December 2018?

3. What was the cumulative incidence of type II diabetes in this community during 2018?