population of the city of Atlantis on March 30, 2012= 183,000

Number of new active cases of TB occurring between January 1 and June 30, 2012= 26

Number of active TB cases according to the city register on June 30, 2012= 264

please show calculations

The incidence rate of active cases of TB for the 6-month period was?

a. 7 per 100,000 population

b. 14 per 100,000 population

c. 28 per 100,000 population

d. 130 per 100,000 population

The prevalence rate of active TB as of June 30, 2012, was ?

a. 14 per 100,000 population

b. 130 per 100,000 population

c. 144 per 100,000 population

d. 264,000 per 100,000 population

e. none of the above