A study on diabetes begins with 1000, 40 to 45-year-old men of which 60 are already diabetic. The remaining 940 men are followed for 5 years during which time 75 men develop diabetes.
What is the incidence rate of diabetes in the remaining group of men over the 5-year period?
A. 5.0%
B. 7.5%
C. 8.0%
D. 10.0%
