The ethnic breakdown of a particular county is known to be as follows: Caucasian: 38%, Hispanic: 34%, African American: 16%, and Asian: 12%. If two people are chosen at random from this county, what is the approximate probability that they are of the same ethnicity? (The population of the county can be assumed to be large.)

(A) 0.28
(B) 0.30
(C) 0.32
(D) 0.34
(E) 0.36